Home / 29,188.80-40,281.66-16,447.05

Finding the Fourth Proportional to 29,188.80, 40,281.66 and 16,447.05

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Solution

The fourth proportional to 29,188.80, 40,281.66 and 16,447.05 is: 22,697.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,188.80 : 40,281.66 = 16,447.05 : x
  2. Step 2: Convert to fraction form
    29,188.80/40,281.66 = 16,447.05/x
  3. Step 3: Cross multiply
    29,188.80x = 40,281.66 × 16,447.05
  4. Step 4: Simplify right side
    29,188.80x = 662,514,476.10
  5. Step 5: Solve for x
    x = 662,514,476.10/29,188.80
  6. Step 6: Final answer
    x = 22,697.56

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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.