Home / 15,789.60-23,712.48-13,633.92

Finding the Fourth Proportional to 15,789.60, 23,712.48 and 13,633.92

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Solution

The fourth proportional to 15,789.60, 23,712.48 and 13,633.92 is: 20,475.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,789.60 : 23,712.48 = 13,633.92 : x
  2. Step 2: Convert to fraction form
    15,789.60/23,712.48 = 13,633.92/x
  3. Step 3: Cross multiply
    15,789.60x = 23,712.48 × 13,633.92
  4. Step 4: Simplify right side
    15,789.60x = 323,294,055.32
  5. Step 5: Solve for x
    x = 323,294,055.32/15,789.60
  6. Step 6: Final answer
    x = 20,475.13

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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.