Home / 16,053.28-22,153.68-8,980.08

Finding the Fourth Proportional to 16,053.28, 22,153.68 and 8,980.08

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Solution

The fourth proportional to 16,053.28, 22,153.68 and 8,980.08 is: 12,392.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,053.28 : 22,153.68 = 8,980.08 : x
  2. Step 2: Convert to fraction form
    16,053.28/22,153.68 = 8,980.08/x
  3. Step 3: Cross multiply
    16,053.28x = 22,153.68 × 8,980.08
  4. Step 4: Simplify right side
    16,053.28x = 198,941,818.69
  5. Step 5: Solve for x
    x = 198,941,818.69/16,053.28
  6. Step 6: Final answer
    x = 12,392.60

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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.