Home / 16,036.50-22,129.99-8,963.58

Finding the Fourth Proportional to 16,036.50, 22,129.99 and 8,963.58

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Solution

The fourth proportional to 16,036.50, 22,129.99 and 8,963.58 is: 12,369.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,036.50 : 22,129.99 = 8,963.58 : x
  2. Step 2: Convert to fraction form
    16,036.50/22,129.99 = 8,963.58/x
  3. Step 3: Cross multiply
    16,036.50x = 22,129.99 × 8,963.58
  4. Step 4: Simplify right side
    16,036.50x = 198,363,867.53
  5. Step 5: Solve for x
    x = 198,363,867.53/16,036.50
  6. Step 6: Final answer
    x = 12,369.52

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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.