Home / 22,135.15-30,545.02-12,577.04

Finding the Fourth Proportional to 22,135.15, 30,545.02 and 12,577.04

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Solution

The fourth proportional to 22,135.15, 30,545.02 and 12,577.04 is: 17,355.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,135.15 : 30,545.02 = 12,577.04 : x
  2. Step 2: Convert to fraction form
    22,135.15/30,545.02 = 12,577.04/x
  3. Step 3: Cross multiply
    22,135.15x = 30,545.02 × 12,577.04
  4. Step 4: Simplify right side
    22,135.15x = 384,166,016.95
  5. Step 5: Solve for x
    x = 384,166,016.95/22,135.15
  6. Step 6: Final answer
    x = 17,355.48

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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.