Home / 25,221.48-34,812.90-16,862.28

Finding the Fourth Proportional to 25,221.48, 34,812.90 and 16,862.28

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Solution

The fourth proportional to 25,221.48, 34,812.90 and 16,862.28 is: 23,274.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,221.48 : 34,812.90 = 16,862.28 : x
  2. Step 2: Convert to fraction form
    25,221.48/34,812.90 = 16,862.28/x
  3. Step 3: Cross multiply
    25,221.48x = 34,812.90 × 16,862.28
  4. Step 4: Simplify right side
    25,221.48x = 587,024,867.41
  5. Step 5: Solve for x
    x = 587,024,867.41/25,221.48
  6. Step 6: Final answer
    x = 23,274.80

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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.