Home / 13,708.13-20,562.30-4,347.95

Finding the Fourth Proportional to 13,708.13, 20,562.30 and 4,347.95

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Solution

The fourth proportional to 13,708.13, 20,562.30 and 4,347.95 is: 6,521.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,708.13 : 20,562.30 = 4,347.95 : x
  2. Step 2: Convert to fraction form
    13,708.13/20,562.30 = 4,347.95/x
  3. Step 3: Cross multiply
    13,708.13x = 20,562.30 × 4,347.95
  4. Step 4: Simplify right side
    13,708.13x = 89,403,749.47
  5. Step 5: Solve for x
    x = 89,403,749.47/13,708.13
  6. Step 6: Final answer
    x = 6,521.95

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1.5x scale

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.