Home / 17,921.79-24,732.95-9,963.84

Finding the Fourth Proportional to 17,921.79, 24,732.95 and 9,963.84

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Solution

The fourth proportional to 17,921.79, 24,732.95 and 9,963.84 is: 13,750.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,921.79 : 24,732.95 = 9,963.84 : x
  2. Step 2: Convert to fraction form
    17,921.79/24,732.95 = 9,963.84/x
  3. Step 3: Cross multiply
    17,921.79x = 24,732.95 × 9,963.84
  4. Step 4: Simplify right side
    17,921.79x = 246,435,199.46
  5. Step 5: Solve for x
    x = 246,435,199.46/17,921.79
  6. Step 6: Final answer
    x = 13,750.59

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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.