Home / 16,073.60-22,182.28-8,999.88

Finding the Fourth Proportional to 16,073.60, 22,182.28 and 8,999.88

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Solution

The fourth proportional to 16,073.60, 22,182.28 and 8,999.88 is: 12,420.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,073.60 : 22,182.28 = 8,999.88 : x
  2. Step 2: Convert to fraction form
    16,073.60/22,182.28 = 8,999.88/x
  3. Step 3: Cross multiply
    16,073.60x = 22,182.28 × 8,999.88
  4. Step 4: Simplify right side
    16,073.60x = 199,637,858.13
  5. Step 5: Solve for x
    x = 199,637,858.13/16,073.60
  6. Step 6: Final answer
    x = 12,420.23

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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.