Home / 16,130.98-22,255.05-10,545.22

Finding the Fourth Proportional to 16,130.98, 22,255.05 and 10,545.22

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Solution

The fourth proportional to 16,130.98, 22,255.05 and 10,545.22 is: 14,548.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,130.98 : 22,255.05 = 10,545.22 : x
  2. Step 2: Convert to fraction form
    16,130.98/22,255.05 = 10,545.22/x
  3. Step 3: Cross multiply
    16,130.98x = 22,255.05 × 10,545.22
  4. Step 4: Simplify right side
    16,130.98x = 234,684,398.36
  5. Step 5: Solve for x
    x = 234,684,398.36/16,130.98
  6. Step 6: Final answer
    x = 14,548.68

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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.