Home / 25,729.71-38,659.16-16,373.80

Finding the Fourth Proportional to 25,729.71, 38,659.16 and 16,373.80

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Solution

The fourth proportional to 25,729.71, 38,659.16 and 16,373.80 is: 24,601.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,729.71 : 38,659.16 = 16,373.80 : x
  2. Step 2: Convert to fraction form
    25,729.71/38,659.16 = 16,373.80/x
  3. Step 3: Cross multiply
    25,729.71x = 38,659.16 × 16,373.80
  4. Step 4: Simplify right side
    25,729.71x = 632,997,354.01
  5. Step 5: Solve for x
    x = 632,997,354.01/25,729.71
  6. Step 6: Final answer
    x = 24,601.81

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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.