Home / 13,841.28-20,758.68-5,070.60

Finding the Fourth Proportional to 13,841.28, 20,758.68 and 5,070.60

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Solution

The fourth proportional to 13,841.28, 20,758.68 and 5,070.60 is: 7,604.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,841.28 : 20,758.68 = 5,070.60 : x
  2. Step 2: Convert to fraction form
    13,841.28/20,758.68 = 5,070.60/x
  3. Step 3: Cross multiply
    13,841.28x = 20,758.68 × 5,070.60
  4. Step 4: Simplify right side
    13,841.28x = 105,258,962.81
  5. Step 5: Solve for x
    x = 105,258,962.81/13,841.28
  6. Step 6: Final answer
    x = 7,604.71

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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.