Home / 29,280.48-43,920.78-13,709.04

Finding the Fourth Proportional to 29,280.48, 43,920.78 and 13,709.04

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Solution

The fourth proportional to 29,280.48, 43,920.78 and 13,709.04 is: 20,563.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,280.48 : 43,920.78 = 13,709.04 : x
  2. Step 2: Convert to fraction form
    29,280.48/43,920.78 = 13,709.04/x
  3. Step 3: Cross multiply
    29,280.48x = 43,920.78 × 13,709.04
  4. Step 4: Simplify right side
    29,280.48x = 602,111,729.85
  5. Step 5: Solve for x
    x = 602,111,729.85/29,280.48
  6. Step 6: Final answer
    x = 20,563.59

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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.