Home / 24,881.72-34,310.40-15,929.60

Finding the Fourth Proportional to 24,881.72, 34,310.40 and 15,929.60

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Solution

The fourth proportional to 24,881.72, 34,310.40 and 15,929.60 is: 21,965.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,881.72 : 34,310.40 = 15,929.60 : x
  2. Step 2: Convert to fraction form
    24,881.72/34,310.40 = 15,929.60/x
  3. Step 3: Cross multiply
    24,881.72x = 34,310.40 × 15,929.60
  4. Step 4: Simplify right side
    24,881.72x = 546,550,947.84
  5. Step 5: Solve for x
    x = 546,550,947.84/24,881.72
  6. Step 6: Final answer
    x = 21,965.96

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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.