Home / 17,921.90-24,731.89-9,963.95

Finding the Fourth Proportional to 17,921.90, 24,731.89 and 9,963.95

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Solution

The fourth proportional to 17,921.90, 24,731.89 and 9,963.95 is: 13,750.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,921.90 : 24,731.89 = 9,963.95 : x
  2. Step 2: Convert to fraction form
    17,921.90/24,731.89 = 9,963.95/x
  3. Step 3: Cross multiply
    17,921.90x = 24,731.89 × 9,963.95
  4. Step 4: Simplify right side
    17,921.90x = 246,427,341.19
  5. Step 5: Solve for x
    x = 246,427,341.19/17,921.90
  6. Step 6: Final answer
    x = 13,750.07

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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.