Home / 20,748.96-31,114.26-5,954.52

Finding the Fourth Proportional to 20,748.96, 31,114.26 and 5,954.52

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Solution

The fourth proportional to 20,748.96, 31,114.26 and 5,954.52 is: 8,929.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,748.96 : 31,114.26 = 5,954.52 : x
  2. Step 2: Convert to fraction form
    20,748.96/31,114.26 = 5,954.52/x
  3. Step 3: Cross multiply
    20,748.96x = 31,114.26 × 5,954.52
  4. Step 4: Simplify right side
    20,748.96x = 185,270,483.46
  5. Step 5: Solve for x
    x = 185,270,483.46/20,748.96
  6. Step 6: Final answer
    x = 8,929.15

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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.