Home / 16,335.44-22,588.12-12,972.32

Finding the Fourth Proportional to 16,335.44, 22,588.12 and 12,972.32

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Solution

The fourth proportional to 16,335.44, 22,588.12 and 12,972.32 is: 17,937.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,335.44 : 22,588.12 = 12,972.32 : x
  2. Step 2: Convert to fraction form
    16,335.44/22,588.12 = 12,972.32/x
  3. Step 3: Cross multiply
    16,335.44x = 22,588.12 × 12,972.32
  4. Step 4: Simplify right side
    16,335.44x = 293,020,235.85
  5. Step 5: Solve for x
    x = 293,020,235.85/16,335.44
  6. Step 6: Final answer
    x = 17,937.70

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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.