Home / 29,370.86-40,531.82-15,942.11

Finding the Fourth Proportional to 29,370.86, 40,531.82 and 15,942.11

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Solution

The fourth proportional to 29,370.86, 40,531.82 and 15,942.11 is: 22,000.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,370.86 : 40,531.82 = 15,942.11 : x
  2. Step 2: Convert to fraction form
    29,370.86/40,531.82 = 15,942.11/x
  3. Step 3: Cross multiply
    29,370.86x = 40,531.82 × 15,942.11
  4. Step 4: Simplify right side
    29,370.86x = 646,162,653.23
  5. Step 5: Solve for x
    x = 646,162,653.23/29,370.86
  6. Step 6: Final answer
    x = 22,000.13

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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.