Home / 15,546.47-21,452.46-10,440.96

Finding the Fourth Proportional to 15,546.47, 21,452.46 and 10,440.96

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Solution

The fourth proportional to 15,546.47, 21,452.46 and 10,440.96 is: 14,407.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,546.47 : 21,452.46 = 10,440.96 : x
  2. Step 2: Convert to fraction form
    15,546.47/21,452.46 = 10,440.96/x
  3. Step 3: Cross multiply
    15,546.47x = 21,452.46 × 10,440.96
  4. Step 4: Simplify right side
    15,546.47x = 223,984,276.76
  5. Step 5: Solve for x
    x = 223,984,276.76/15,546.47
  6. Step 6: Final answer
    x = 14,407.41

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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.