Home / 15,029.32-20,740.77-9,059.73

Finding the Fourth Proportional to 15,029.32, 20,740.77 and 9,059.73

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Solution

The fourth proportional to 15,029.32, 20,740.77 and 9,059.73 is: 12,502.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,029.32 : 20,740.77 = 9,059.73 : x
  2. Step 2: Convert to fraction form
    15,029.32/20,740.77 = 9,059.73/x
  3. Step 3: Cross multiply
    15,029.32x = 20,740.77 × 9,059.73
  4. Step 4: Simplify right side
    15,029.32x = 187,905,776.19
  5. Step 5: Solve for x
    x = 187,905,776.19/15,029.32
  6. Step 6: Final answer
    x = 12,502.61

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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.