Home / 18,744.16-25,864.72-10,359.20

Finding the Fourth Proportional to 18,744.16, 25,864.72 and 10,359.20

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Solution

The fourth proportional to 18,744.16, 25,864.72 and 10,359.20 is: 14,294.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,744.16 : 25,864.72 = 10,359.20 : x
  2. Step 2: Convert to fraction form
    18,744.16/25,864.72 = 10,359.20/x
  3. Step 3: Cross multiply
    18,744.16x = 25,864.72 × 10,359.20
  4. Step 4: Simplify right side
    18,744.16x = 267,937,807.42
  5. Step 5: Solve for x
    x = 267,937,807.42/18,744.16
  6. Step 6: Final answer
    x = 14,294.47

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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.