Home / 16,225.21-22,391.13-9,515.98

Finding the Fourth Proportional to 16,225.21, 22,391.13 and 9,515.98

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Solution

The fourth proportional to 16,225.21, 22,391.13 and 9,515.98 is: 13,132.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,225.21 : 22,391.13 = 9,515.98 : x
  2. Step 2: Convert to fraction form
    16,225.21/22,391.13 = 9,515.98/x
  3. Step 3: Cross multiply
    16,225.21x = 22,391.13 × 9,515.98
  4. Step 4: Simplify right side
    16,225.21x = 213,073,545.26
  5. Step 5: Solve for x
    x = 213,073,545.26/16,225.21
  6. Step 6: Final answer
    x = 13,132.25

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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.