Home / 21,455.97-32,116.52-14,862.17

Finding the Fourth Proportional to 21,455.97, 32,116.52 and 14,862.17

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Solution

The fourth proportional to 21,455.97, 32,116.52 and 14,862.17 is: 22,246.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,455.97 : 32,116.52 = 14,862.17 : x
  2. Step 2: Convert to fraction form
    21,455.97/32,116.52 = 14,862.17/x
  3. Step 3: Cross multiply
    21,455.97x = 32,116.52 × 14,862.17
  4. Step 4: Simplify right side
    21,455.97x = 477,320,945.15
  5. Step 5: Solve for x
    x = 477,320,945.15/21,455.97
  6. Step 6: Final answer
    x = 22,246.53

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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.