Home / 44,279.92-66,419.88-13,117.60

Finding the Fourth Proportional to 44,279.92, 66,419.88 and 13,117.60

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Solution

The fourth proportional to 44,279.92, 66,419.88 and 13,117.60 is: 19,676.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,279.92 : 66,419.88 = 13,117.60 : x
  2. Step 2: Convert to fraction form
    44,279.92/66,419.88 = 13,117.60/x
  3. Step 3: Cross multiply
    44,279.92x = 66,419.88 × 13,117.60
  4. Step 4: Simplify right side
    44,279.92x = 871,269,417.89
  5. Step 5: Solve for x
    x = 871,269,417.89/44,279.92
  6. Step 6: Final answer
    x = 19,676.40

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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.