Home / 24,721.89-34,116.05-13,970.25

Finding the Fourth Proportional to 24,721.89, 34,116.05 and 13,970.25

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Solution

The fourth proportional to 24,721.89, 34,116.05 and 13,970.25 is: 19,278.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,721.89 : 34,116.05 = 13,970.25 : x
  2. Step 2: Convert to fraction form
    24,721.89/34,116.05 = 13,970.25/x
  3. Step 3: Cross multiply
    24,721.89x = 34,116.05 × 13,970.25
  4. Step 4: Simplify right side
    24,721.89x = 476,609,677.66
  5. Step 5: Solve for x
    x = 476,609,677.66/24,721.89
  6. Step 6: Final answer
    x = 19,278.85

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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.