Home / 15,581.08-23,371.65-6,221.86

Finding the Fourth Proportional to 15,581.08, 23,371.65 and 6,221.86

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Solution

The fourth proportional to 15,581.08, 23,371.65 and 6,221.86 is: 9,332.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,581.08 : 23,371.65 = 6,221.86 : x
  2. Step 2: Convert to fraction form
    15,581.08/23,371.65 = 6,221.86/x
  3. Step 3: Cross multiply
    15,581.08x = 23,371.65 × 6,221.86
  4. Step 4: Simplify right side
    15,581.08x = 145,415,017.41
  5. Step 5: Solve for x
    x = 145,415,017.41/15,581.08
  6. Step 6: Final answer
    x = 9,332.80

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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.