Home / 16,108.32-22,237.84-12,515.28

Finding the Fourth Proportional to 16,108.32, 22,237.84 and 12,515.28

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Solution

The fourth proportional to 16,108.32, 22,237.84 and 12,515.28 is: 17,277.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,108.32 : 22,237.84 = 12,515.28 : x
  2. Step 2: Convert to fraction form
    16,108.32/22,237.84 = 12,515.28/x
  3. Step 3: Cross multiply
    16,108.32x = 22,237.84 × 12,515.28
  4. Step 4: Simplify right side
    16,108.32x = 278,312,794.20
  5. Step 5: Solve for x
    x = 278,312,794.20/16,108.32
  6. Step 6: Final answer
    x = 17,277.58

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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.