Home / 16,938.17-23,378.55-11,273.15

Finding the Fourth Proportional to 16,938.17, 23,378.55 and 11,273.15

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Solution

The fourth proportional to 16,938.17, 23,378.55 and 11,273.15 is: 15,559.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,938.17 : 23,378.55 = 11,273.15 : x
  2. Step 2: Convert to fraction form
    16,938.17/23,378.55 = 11,273.15/x
  3. Step 3: Cross multiply
    16,938.17x = 23,378.55 × 11,273.15
  4. Step 4: Simplify right side
    16,938.17x = 263,549,959.38
  5. Step 5: Solve for x
    x = 263,549,959.38/16,938.17
  6. Step 6: Final answer
    x = 15,559.53

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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.