Home / 18,335.52-25,301.70-10,378.62

Finding the Fourth Proportional to 18,335.52, 25,301.70 and 10,378.62

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Solution

The fourth proportional to 18,335.52, 25,301.70 and 10,378.62 is: 14,321.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,335.52 : 25,301.70 = 10,378.62 : x
  2. Step 2: Convert to fraction form
    18,335.52/25,301.70 = 10,378.62/x
  3. Step 3: Cross multiply
    18,335.52x = 25,301.70 × 10,378.62
  4. Step 4: Simplify right side
    18,335.52x = 262,596,729.65
  5. Step 5: Solve for x
    x = 262,596,729.65/18,335.52
  6. Step 6: Final answer
    x = 14,321.75

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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.