Home / 25,291.68-34,909.92-14,686.08

Finding the Fourth Proportional to 25,291.68, 34,909.92 and 14,686.08

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Solution

The fourth proportional to 25,291.68, 34,909.92 and 14,686.08 is: 20,271.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,291.68 : 34,909.92 = 14,686.08 : x
  2. Step 2: Convert to fraction form
    25,291.68/34,909.92 = 14,686.08/x
  3. Step 3: Cross multiply
    25,291.68x = 34,909.92 × 14,686.08
  4. Step 4: Simplify right side
    25,291.68x = 512,689,877.91
  5. Step 5: Solve for x
    x = 512,689,877.91/25,291.68
  6. Step 6: Final answer
    x = 20,271.09

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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.