Home / 15,326.50-22,995.28-7,540.78

Finding the Fourth Proportional to 15,326.50, 22,995.28 and 7,540.78

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Solution

The fourth proportional to 15,326.50, 22,995.28 and 7,540.78 is: 11,313.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,326.50 : 22,995.28 = 7,540.78 : x
  2. Step 2: Convert to fraction form
    15,326.50/22,995.28 = 7,540.78/x
  3. Step 3: Cross multiply
    15,326.50x = 22,995.28 × 7,540.78
  4. Step 4: Simplify right side
    15,326.50x = 173,402,347.52
  5. Step 5: Solve for x
    x = 173,402,347.52/15,326.50
  6. Step 6: Final answer
    x = 11,313.89

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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.