Home / 18,673.74-25,770.45-11,502.20

Finding the Fourth Proportional to 18,673.74, 25,770.45 and 11,502.20

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Solution

The fourth proportional to 18,673.74, 25,770.45 and 11,502.20 is: 15,873.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,673.74 : 25,770.45 = 11,502.20 : x
  2. Step 2: Convert to fraction form
    18,673.74/25,770.45 = 11,502.20/x
  3. Step 3: Cross multiply
    18,673.74x = 25,770.45 × 11,502.20
  4. Step 4: Simplify right side
    18,673.74x = 296,416,977.55
  5. Step 5: Solve for x
    x = 296,416,977.55/18,673.74
  6. Step 6: Final answer
    x = 15,873.47

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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.