Home / 18,314.28-25,275.24-11,242.98

Finding the Fourth Proportional to 18,314.28, 25,275.24 and 11,242.98

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Solution

The fourth proportional to 18,314.28, 25,275.24 and 11,242.98 is: 15,516.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,314.28 : 25,275.24 = 11,242.98 : x
  2. Step 2: Convert to fraction form
    18,314.28/25,275.24 = 11,242.98/x
  3. Step 3: Cross multiply
    18,314.28x = 25,275.24 × 11,242.98
  4. Step 4: Simplify right side
    18,314.28x = 284,169,017.82
  5. Step 5: Solve for x
    x = 284,169,017.82/18,314.28
  6. Step 6: Final answer
    x = 15,516.25

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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.