Home / 22,194.60-30,628.49-12,763.16

Finding the Fourth Proportional to 22,194.60, 30,628.49 and 12,763.16

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Solution

The fourth proportional to 22,194.60, 30,628.49 and 12,763.16 is: 17,613.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,194.60 : 30,628.49 = 12,763.16 : x
  2. Step 2: Convert to fraction form
    22,194.60/30,628.49 = 12,763.16/x
  3. Step 3: Cross multiply
    22,194.60x = 30,628.49 × 12,763.16
  4. Step 4: Simplify right side
    22,194.60x = 390,916,318.43
  5. Step 5: Solve for x
    x = 390,916,318.43/22,194.60
  6. Step 6: Final answer
    x = 17,613.13

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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.