Home / 16,987.60-25,480.49-5,299.48

Finding the Fourth Proportional to 16,987.60, 25,480.49 and 5,299.48

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Solution

The fourth proportional to 16,987.60, 25,480.49 and 5,299.48 is: 7,948.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,987.60 : 25,480.49 = 5,299.48 : x
  2. Step 2: Convert to fraction form
    16,987.60/25,480.49 = 5,299.48/x
  3. Step 3: Cross multiply
    16,987.60x = 25,480.49 × 5,299.48
  4. Step 4: Simplify right side
    16,987.60x = 135,033,219.74
  5. Step 5: Solve for x
    x = 135,033,219.74/16,987.60
  6. Step 6: Final answer
    x = 7,948.93

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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.