Home / 40,827.13-61,240.69-13,125.13

Finding the Fourth Proportional to 40,827.13, 61,240.69 and 13,125.13

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Solution

The fourth proportional to 40,827.13, 61,240.69 and 13,125.13 is: 19,687.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,827.13 : 61,240.69 = 13,125.13 : x
  2. Step 2: Convert to fraction form
    40,827.13/61,240.69 = 13,125.13/x
  3. Step 3: Cross multiply
    40,827.13x = 61,240.69 × 13,125.13
  4. Step 4: Simplify right side
    40,827.13x = 803,791,711.34
  5. Step 5: Solve for x
    x = 803,791,711.34/40,827.13
  6. Step 6: Final answer
    x = 19,687.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.