Home / 44,425.92-66,638.88-13,260.16

Finding the Fourth Proportional to 44,425.92, 66,638.88 and 13,260.16

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Solution

The fourth proportional to 44,425.92, 66,638.88 and 13,260.16 is: 19,890.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,425.92 : 66,638.88 = 13,260.16 : x
  2. Step 2: Convert to fraction form
    44,425.92/66,638.88 = 13,260.16/x
  3. Step 3: Cross multiply
    44,425.92x = 66,638.88 × 13,260.16
  4. Step 4: Simplify right side
    44,425.92x = 883,642,211.02
  5. Step 5: Solve for x
    x = 883,642,211.02/44,425.92
  6. Step 6: Final answer
    x = 19,890.24

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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.