Home / 15,672.18-21,627.96-8,598.58

Finding the Fourth Proportional to 15,672.18, 21,627.96 and 8,598.58

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Solution

The fourth proportional to 15,672.18, 21,627.96 and 8,598.58 is: 11,866.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672.18 : 21,627.96 = 8,598.58 : x
  2. Step 2: Convert to fraction form
    15,672.18/21,627.96 = 8,598.58/x
  3. Step 3: Cross multiply
    15,672.18x = 21,627.96 × 8,598.58
  4. Step 4: Simplify right side
    15,672.18x = 185,969,744.30
  5. Step 5: Solve for x
    x = 185,969,744.30/15,672.18
  6. Step 6: Final answer
    x = 11,866.23

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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.