Home / 15,788.64-23,660.40-11,595.78

Finding the Fourth Proportional to 15,788.64, 23,660.40 and 11,595.78

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Solution

The fourth proportional to 15,788.64, 23,660.40 and 11,595.78 is: 17,377.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,788.64 : 23,660.40 = 11,595.78 : x
  2. Step 2: Convert to fraction form
    15,788.64/23,660.40 = 11,595.78/x
  3. Step 3: Cross multiply
    15,788.64x = 23,660.40 × 11,595.78
  4. Step 4: Simplify right side
    15,788.64x = 274,360,793.11
  5. Step 5: Solve for x
    x = 274,360,793.11/15,788.64
  6. Step 6: Final answer
    x = 17,377.10

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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.