Home / 16,395.75-22,622.49-9,681.66

Finding the Fourth Proportional to 16,395.75, 22,622.49 and 9,681.66

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Solution

The fourth proportional to 16,395.75, 22,622.49 and 9,681.66 is: 13,358.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,395.75 : 22,622.49 = 9,681.66 : x
  2. Step 2: Convert to fraction form
    16,395.75/22,622.49 = 9,681.66/x
  3. Step 3: Cross multiply
    16,395.75x = 22,622.49 × 9,681.66
  4. Step 4: Simplify right side
    16,395.75x = 219,023,256.53
  5. Step 5: Solve for x
    x = 219,023,256.53/16,395.75
  6. Step 6: Final answer
    x = 13,358.54

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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.