Home / 54,774.04-82,160.88-13,221.04

Finding the Fourth Proportional to 54,774.04, 82,160.88 and 13,221.04

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Solution

The fourth proportional to 54,774.04, 82,160.88 and 13,221.04 is: 19,831.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,774.04 : 82,160.88 = 13,221.04 : x
  2. Step 2: Convert to fraction form
    54,774.04/82,160.88 = 13,221.04/x
  3. Step 3: Cross multiply
    54,774.04x = 82,160.88 × 13,221.04
  4. Step 4: Simplify right side
    54,774.04x = 1,086,252,280.92
  5. Step 5: Solve for x
    x = 1,086,252,280.92/54,774.04
  6. Step 6: Final answer
    x = 19,831.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.