Home / 15,118.38-20,824.26-10,573.02

Finding the Fourth Proportional to 15,118.38, 20,824.26 and 10,573.02

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Solution

The fourth proportional to 15,118.38, 20,824.26 and 10,573.02 is: 14,563.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,118.38 : 20,824.26 = 10,573.02 : x
  2. Step 2: Convert to fraction form
    15,118.38/20,824.26 = 10,573.02/x
  3. Step 3: Cross multiply
    15,118.38x = 20,824.26 × 10,573.02
  4. Step 4: Simplify right side
    15,118.38x = 220,175,317.47
  5. Step 5: Solve for x
    x = 220,175,317.47/15,118.38
  6. Step 6: Final answer
    x = 14,563.42

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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.