Home / 29,363.04-40,521.24-15,934.40

Finding the Fourth Proportional to 29,363.04, 40,521.24 and 15,934.40

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Solution

The fourth proportional to 29,363.04, 40,521.24 and 15,934.40 is: 21,989.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,363.04 : 40,521.24 = 15,934.40 : x
  2. Step 2: Convert to fraction form
    29,363.04/40,521.24 = 15,934.40/x
  3. Step 3: Cross multiply
    29,363.04x = 40,521.24 × 15,934.40
  4. Step 4: Simplify right side
    29,363.04x = 645,681,646.66
  5. Step 5: Solve for x
    x = 645,681,646.66/29,363.04
  6. Step 6: Final answer
    x = 21,989.60

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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.