Home / 13,627.63-20,442.26-5,306.10

Finding the Fourth Proportional to 13,627.63, 20,442.26 and 5,306.10

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Solution

The fourth proportional to 13,627.63, 20,442.26 and 5,306.10 is: 7,959.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,627.63 : 20,442.26 = 5,306.10 : x
  2. Step 2: Convert to fraction form
    13,627.63/20,442.26 = 5,306.10/x
  3. Step 3: Cross multiply
    13,627.63x = 20,442.26 × 5,306.10
  4. Step 4: Simplify right side
    13,627.63x = 108,468,675.79
  5. Step 5: Solve for x
    x = 108,468,675.79/13,627.63
  6. Step 6: Final answer
    x = 7,959.47

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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.