Home / 18,759.72-25,888.12-10,261.65

Finding the Fourth Proportional to 18,759.72, 25,888.12 and 10,261.65

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Solution

The fourth proportional to 18,759.72, 25,888.12 and 10,261.65 is: 14,160.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,759.72 : 25,888.12 = 10,261.65 : x
  2. Step 2: Convert to fraction form
    18,759.72/25,888.12 = 10,261.65/x
  3. Step 3: Cross multiply
    18,759.72x = 25,888.12 × 10,261.65
  4. Step 4: Simplify right side
    18,759.72x = 265,654,826.60
  5. Step 5: Solve for x
    x = 265,654,826.60/18,759.72
  6. Step 6: Final answer
    x = 14,160.92

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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.