Home / 16,200.32-22,356.33-9,129.02

Finding the Fourth Proportional to 16,200.32, 22,356.33 and 9,129.02

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Solution

The fourth proportional to 16,200.32, 22,356.33 and 9,129.02 is: 12,597.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,200.32 : 22,356.33 = 9,129.02 : x
  2. Step 2: Convert to fraction form
    16,200.32/22,356.33 = 9,129.02/x
  3. Step 3: Cross multiply
    16,200.32x = 22,356.33 × 9,129.02
  4. Step 4: Simplify right side
    16,200.32x = 204,091,271.91
  5. Step 5: Solve for x
    x = 204,091,271.91/16,200.32
  6. Step 6: Final answer
    x = 12,597.98

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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.