Home / 22,134.25-30,545.67-12,705.04

Finding the Fourth Proportional to 22,134.25, 30,545.67 and 12,705.04

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Solution

The fourth proportional to 22,134.25, 30,545.67 and 12,705.04 is: 17,533.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,134.25 : 30,545.67 = 12,705.04 : x
  2. Step 2: Convert to fraction form
    22,134.25/30,545.67 = 12,705.04/x
  3. Step 3: Cross multiply
    22,134.25x = 30,545.67 × 12,705.04
  4. Step 4: Simplify right side
    22,134.25x = 388,083,959.18
  5. Step 5: Solve for x
    x = 388,083,959.18/22,134.25
  6. Step 6: Final answer
    x = 17,533.19

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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.