Home / 17,339.15-23,927.85-9,381.20

Finding the Fourth Proportional to 17,339.15, 23,927.85 and 9,381.20

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Solution

The fourth proportional to 17,339.15, 23,927.85 and 9,381.20 is: 12,945.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,339.15 : 23,927.85 = 9,381.20 : x
  2. Step 2: Convert to fraction form
    17,339.15/23,927.85 = 9,381.20/x
  3. Step 3: Cross multiply
    17,339.15x = 23,927.85 × 9,381.20
  4. Step 4: Simplify right side
    17,339.15x = 224,471,826.78
  5. Step 5: Solve for x
    x = 224,471,826.78/17,339.15
  6. Step 6: Final answer
    x = 12,945.96

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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.