Home / 15,326.54-22,975.20-4,931

Finding the Fourth Proportional to 15,326.54, 22,975.20 and 4,931

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Solution

The fourth proportional to 15,326.54, 22,975.20 and 4,931 is: 7,391.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,326.54 : 22,975.20 = 4,931 : x
  2. Step 2: Convert to fraction form
    15,326.54/22,975.20 = 4,931/x
  3. Step 3: Cross multiply
    15,326.54x = 22,975.20 × 4,931
  4. Step 4: Simplify right side
    15,326.54x = 113,290,711.20
  5. Step 5: Solve for x
    x = 113,290,711.20/15,326.54
  6. Step 6: Final answer
    x = 7,391.80

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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.