Home / 15,648.93-21,595.28-8,575.43

Finding the Fourth Proportional to 15,648.93, 21,595.28 and 8,575.43

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Solution

The fourth proportional to 15,648.93, 21,595.28 and 8,575.43 is: 11,833.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,648.93 : 21,595.28 = 8,575.43 : x
  2. Step 2: Convert to fraction form
    15,648.93/21,595.28 = 8,575.43/x
  3. Step 3: Cross multiply
    15,648.93x = 21,595.28 × 8,575.43
  4. Step 4: Simplify right side
    15,648.93x = 185,188,661.12
  5. Step 5: Solve for x
    x = 185,188,661.12/15,648.93
  6. Step 6: Final answer
    x = 11,833.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.