Home / 17,685.84-24,407.28-9,727.92

Finding the Fourth Proportional to 17,685.84, 24,407.28 and 9,727.92

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Solution

The fourth proportional to 17,685.84, 24,407.28 and 9,727.92 is: 13,424.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,685.84 : 24,407.28 = 9,727.92 : x
  2. Step 2: Convert to fraction form
    17,685.84/24,407.28 = 9,727.92/x
  3. Step 3: Cross multiply
    17,685.84x = 24,407.28 × 9,727.92
  4. Step 4: Simplify right side
    17,685.84x = 237,432,067.26
  5. Step 5: Solve for x
    x = 237,432,067.26/17,685.84
  6. Step 6: Final answer
    x = 13,424.98

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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.