Home / 15,006.20-20,722.38-10,052.60

Finding the Fourth Proportional to 15,006.20, 20,722.38 and 10,052.60

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Solution

The fourth proportional to 15,006.20, 20,722.38 and 10,052.60 is: 13,881.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,006.20 : 20,722.38 = 10,052.60 : x
  2. Step 2: Convert to fraction form
    15,006.20/20,722.38 = 10,052.60/x
  3. Step 3: Cross multiply
    15,006.20x = 20,722.38 × 10,052.60
  4. Step 4: Simplify right side
    15,006.20x = 208,313,797.19
  5. Step 5: Solve for x
    x = 208,313,797.19/15,006.20
  6. Step 6: Final answer
    x = 13,881.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.