Home / 18,955.08-26,158.20-10,572.12

Finding the Fourth Proportional to 18,955.08, 26,158.20 and 10,572.12

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Solution

The fourth proportional to 18,955.08, 26,158.20 and 10,572.12 is: 14,589.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,955.08 : 26,158.20 = 10,572.12 : x
  2. Step 2: Convert to fraction form
    18,955.08/26,158.20 = 10,572.12/x
  3. Step 3: Cross multiply
    18,955.08x = 26,158.20 × 10,572.12
  4. Step 4: Simplify right side
    18,955.08x = 276,547,629.38
  5. Step 5: Solve for x
    x = 276,547,629.38/18,955.08
  6. Step 6: Final answer
    x = 14,589.63

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Half scale
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Double scale
Find fourth proportional to 18,956.08, 26,159.58 and 10,573.12
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.