Home / 15,135.66-22,706.46-5,275.26

Finding the Fourth Proportional to 15,135.66, 22,706.46 and 5,275.26

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Solution

The fourth proportional to 15,135.66, 22,706.46 and 5,275.26 is: 7,913.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,135.66 : 22,706.46 = 5,275.26 : x
  2. Step 2: Convert to fraction form
    15,135.66/22,706.46 = 5,275.26/x
  3. Step 3: Cross multiply
    15,135.66x = 22,706.46 × 5,275.26
  4. Step 4: Simplify right side
    15,135.66x = 119,782,480.18
  5. Step 5: Solve for x
    x = 119,782,480.18/15,135.66
  6. Step 6: Final answer
    x = 7,913.93

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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.