Home / 16,175.76-22,325.40-15,437.04

Finding the Fourth Proportional to 16,175.76, 22,325.40 and 15,437.04

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Solution

The fourth proportional to 16,175.76, 22,325.40 and 15,437.04 is: 21,305.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,175.76 : 22,325.40 = 15,437.04 : x
  2. Step 2: Convert to fraction form
    16,175.76/22,325.40 = 15,437.04/x
  3. Step 3: Cross multiply
    16,175.76x = 22,325.40 × 15,437.04
  4. Step 4: Simplify right side
    16,175.76x = 344,638,092.82
  5. Step 5: Solve for x
    x = 344,638,092.82/16,175.76
  6. Step 6: Final answer
    x = 21,305.84

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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.