Home / 14,931.24-20,607.01-9,641.43

Finding the Fourth Proportional to 14,931.24, 20,607.01 and 9,641.43

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Solution

The fourth proportional to 14,931.24, 20,607.01 and 9,641.43 is: 13,306.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,931.24 : 20,607.01 = 9,641.43 : x
  2. Step 2: Convert to fraction form
    14,931.24/20,607.01 = 9,641.43/x
  3. Step 3: Cross multiply
    14,931.24x = 20,607.01 × 9,641.43
  4. Step 4: Simplify right side
    14,931.24x = 198,681,020.32
  5. Step 5: Solve for x
    x = 198,681,020.32/14,931.24
  6. Step 6: Final answer
    x = 13,306.40

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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.