Home / 16,390.17-22,617.27-9,675.45

Finding the Fourth Proportional to 16,390.17, 22,617.27 and 9,675.45

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Solution

The fourth proportional to 16,390.17, 22,617.27 and 9,675.45 is: 13,351.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,390.17 : 22,617.27 = 9,675.45 : x
  2. Step 2: Convert to fraction form
    16,390.17/22,617.27 = 9,675.45/x
  3. Step 3: Cross multiply
    16,390.17x = 22,617.27 × 9,675.45
  4. Step 4: Simplify right side
    16,390.17x = 218,832,265.02
  5. Step 5: Solve for x
    x = 218,832,265.02/16,390.17
  6. Step 6: Final answer
    x = 13,351.43

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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.