Home / 16,332.20-22,538.60-8,880.20

Finding the Fourth Proportional to 16,332.20, 22,538.60 and 8,880.20

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Solution

The fourth proportional to 16,332.20, 22,538.60 and 8,880.20 is: 12,254.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,332.20 : 22,538.60 = 8,880.20 : x
  2. Step 2: Convert to fraction form
    16,332.20/22,538.60 = 8,880.20/x
  3. Step 3: Cross multiply
    16,332.20x = 22,538.60 × 8,880.20
  4. Step 4: Simplify right side
    16,332.20x = 200,147,275.72
  5. Step 5: Solve for x
    x = 200,147,275.72/16,332.20
  6. Step 6: Final answer
    x = 12,254.77

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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.