Home / 18,347.32-25,319.46-9,963.84

Finding the Fourth Proportional to 18,347.32, 25,319.46 and 9,963.84

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Solution

The fourth proportional to 18,347.32, 25,319.46 and 9,963.84 is: 13,750.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,347.32 : 25,319.46 = 9,963.84 : x
  2. Step 2: Convert to fraction form
    18,347.32/25,319.46 = 9,963.84/x
  3. Step 3: Cross multiply
    18,347.32x = 25,319.46 × 9,963.84
  4. Step 4: Simplify right side
    18,347.32x = 252,279,048.33
  5. Step 5: Solve for x
    x = 252,279,048.33/18,347.32
  6. Step 6: Final answer
    x = 13,750.19

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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.