Home / 20,032.53-27,626.78-12,854.18

Finding the Fourth Proportional to 20,032.53, 27,626.78 and 12,854.18

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Solution

The fourth proportional to 20,032.53, 27,626.78 and 12,854.18 is: 17,727.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,032.53 : 27,626.78 = 12,854.18 : x
  2. Step 2: Convert to fraction form
    20,032.53/27,626.78 = 12,854.18/x
  3. Step 3: Cross multiply
    20,032.53x = 27,626.78 × 12,854.18
  4. Step 4: Simplify right side
    20,032.53x = 355,119,400.54
  5. Step 5: Solve for x
    x = 355,119,400.54/20,032.53
  6. Step 6: Final answer
    x = 17,727.14

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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.