Home / 21,613.15-32,418.51-6,030.78

Finding the Fourth Proportional to 21,613.15, 32,418.51 and 6,030.78

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Solution

The fourth proportional to 21,613.15, 32,418.51 and 6,030.78 is: 9,045.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,613.15 : 32,418.51 = 6,030.78 : x
  2. Step 2: Convert to fraction form
    21,613.15/32,418.51 = 6,030.78/x
  3. Step 3: Cross multiply
    21,613.15x = 32,418.51 × 6,030.78
  4. Step 4: Simplify right side
    21,613.15x = 195,508,901.74
  5. Step 5: Solve for x
    x = 195,508,901.74/21,613.15
  6. Step 6: Final answer
    x = 9,045.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.