Home / 18,958.08-26,153.66-10,995.68

Finding the Fourth Proportional to 18,958.08, 26,153.66 and 10,995.68

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Solution

The fourth proportional to 18,958.08, 26,153.66 and 10,995.68 is: 15,169.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,958.08 : 26,153.66 = 10,995.68 : x
  2. Step 2: Convert to fraction form
    18,958.08/26,153.66 = 10,995.68/x
  3. Step 3: Cross multiply
    18,958.08x = 26,153.66 × 10,995.68
  4. Step 4: Simplify right side
    18,958.08x = 287,577,276.19
  5. Step 5: Solve for x
    x = 287,577,276.19/18,958.08
  6. Step 6: Final answer
    x = 15,169.11

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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.