Home / 16,053.40-22,155.06-8,980.36

Finding the Fourth Proportional to 16,053.40, 22,155.06 and 8,980.36

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Solution

The fourth proportional to 16,053.40, 22,155.06 and 8,980.36 is: 12,393.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,053.40 : 22,155.06 = 8,980.36 : x
  2. Step 2: Convert to fraction form
    16,053.40/22,155.06 = 8,980.36/x
  3. Step 3: Cross multiply
    16,053.40x = 22,155.06 × 8,980.36
  4. Step 4: Simplify right side
    16,053.40x = 198,960,414.62
  5. Step 5: Solve for x
    x = 198,960,414.62/16,053.40
  6. Step 6: Final answer
    x = 12,393.66

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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.