Home / 18,572.09-25,631.22-10,612.76

Finding the Fourth Proportional to 18,572.09, 25,631.22 and 10,612.76

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Solution

The fourth proportional to 18,572.09, 25,631.22 and 10,612.76 is: 14,646.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,572.09 : 25,631.22 = 10,612.76 : x
  2. Step 2: Convert to fraction form
    18,572.09/25,631.22 = 10,612.76/x
  3. Step 3: Cross multiply
    18,572.09x = 25,631.22 × 10,612.76
  4. Step 4: Simplify right side
    18,572.09x = 272,017,858.21
  5. Step 5: Solve for x
    x = 272,017,858.21/18,572.09
  6. Step 6: Final answer
    x = 14,646.60

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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.