Home / 14,875.29-20,527.79-8,591.13

Finding the Fourth Proportional to 14,875.29, 20,527.79 and 8,591.13

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Solution

The fourth proportional to 14,875.29, 20,527.79 and 8,591.13 is: 11,855.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,875.29 : 20,527.79 = 8,591.13 : x
  2. Step 2: Convert to fraction form
    14,875.29/20,527.79 = 8,591.13/x
  3. Step 3: Cross multiply
    14,875.29x = 20,527.79 × 8,591.13
  4. Step 4: Simplify right side
    14,875.29x = 176,356,869.55
  5. Step 5: Solve for x
    x = 176,356,869.55/14,875.29
  6. Step 6: Final answer
    x = 11,855.69

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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.