Home / 15,052.06-20,772.15-9,008.55

Finding the Fourth Proportional to 15,052.06, 20,772.15 and 9,008.55

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Solution

The fourth proportional to 15,052.06, 20,772.15 and 9,008.55 is: 12,431.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,052.06 : 20,772.15 = 9,008.55 : x
  2. Step 2: Convert to fraction form
    15,052.06/20,772.15 = 9,008.55/x
  3. Step 3: Cross multiply
    15,052.06x = 20,772.15 × 9,008.55
  4. Step 4: Simplify right side
    15,052.06x = 187,126,802.98
  5. Step 5: Solve for x
    x = 187,126,802.98/15,052.06
  6. Step 6: Final answer
    x = 12,431.98

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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.