Home / 25,691.47-38,510.94-14,574.68

Finding the Fourth Proportional to 25,691.47, 38,510.94 and 14,574.68

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Solution

The fourth proportional to 25,691.47, 38,510.94 and 14,574.68 is: 21,847.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,691.47 : 38,510.94 = 14,574.68 : x
  2. Step 2: Convert to fraction form
    25,691.47/38,510.94 = 14,574.68/x
  3. Step 3: Cross multiply
    25,691.47x = 38,510.94 × 14,574.68
  4. Step 4: Simplify right side
    25,691.47x = 561,284,434.44
  5. Step 5: Solve for x
    x = 561,284,434.44/25,691.47
  6. Step 6: Final answer
    x = 21,847.11

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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.