Home / 15,503.25-23,254.92-5,115.81

Finding the Fourth Proportional to 15,503.25, 23,254.92 and 5,115.81

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Solution

The fourth proportional to 15,503.25, 23,254.92 and 5,115.81 is: 7,673.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,503.25 : 23,254.92 = 5,115.81 : x
  2. Step 2: Convert to fraction form
    15,503.25/23,254.92 = 5,115.81/x
  3. Step 3: Cross multiply
    15,503.25x = 23,254.92 × 5,115.81
  4. Step 4: Simplify right side
    15,503.25x = 118,967,752.29
  5. Step 5: Solve for x
    x = 118,967,752.29/15,503.25
  6. Step 6: Final answer
    x = 7,673.73

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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.