Home / 15,805.13-23,708.30-4,118.45

Finding the Fourth Proportional to 15,805.13, 23,708.30 and 4,118.45

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Solution

The fourth proportional to 15,805.13, 23,708.30 and 4,118.45 is: 6,177.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,805.13 : 23,708.30 = 4,118.45 : x
  2. Step 2: Convert to fraction form
    15,805.13/23,708.30 = 4,118.45/x
  3. Step 3: Cross multiply
    15,805.13x = 23,708.30 × 4,118.45
  4. Step 4: Simplify right side
    15,805.13x = 97,641,309.00
  5. Step 5: Solve for x
    x = 97,641,309.00/15,805.13
  6. Step 6: Final answer
    x = 6,177.83

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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.