Home / 29,280.76-40,403.46-16,531.84

Finding the Fourth Proportional to 29,280.76, 40,403.46 and 16,531.84

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Solution

The fourth proportional to 29,280.76, 40,403.46 and 16,531.84 is: 22,811.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,280.76 : 40,403.46 = 16,531.84 : x
  2. Step 2: Convert to fraction form
    29,280.76/40,403.46 = 16,531.84/x
  3. Step 3: Cross multiply
    29,280.76x = 40,403.46 × 16,531.84
  4. Step 4: Simplify right side
    29,280.76x = 667,943,536.17
  5. Step 5: Solve for x
    x = 667,943,536.17/29,280.76
  6. Step 6: Final answer
    x = 22,811.69

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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.