Home / 25,760.07-38,642.72-8,890.88

Finding the Fourth Proportional to 25,760.07, 38,642.72 and 8,890.88

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Solution

The fourth proportional to 25,760.07, 38,642.72 and 8,890.88 is: 13,337.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,760.07 : 38,642.72 = 8,890.88 : x
  2. Step 2: Convert to fraction form
    25,760.07/38,642.72 = 8,890.88/x
  3. Step 3: Cross multiply
    25,760.07x = 38,642.72 × 8,890.88
  4. Step 4: Simplify right side
    25,760.07x = 343,567,905.23
  5. Step 5: Solve for x
    x = 343,567,905.23/25,760.07
  6. Step 6: Final answer
    x = 13,337.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.