Home / 15,131.88-22,716.72-10,223.28

Finding the Fourth Proportional to 15,131.88, 22,716.72 and 10,223.28

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Solution

The fourth proportional to 15,131.88, 22,716.72 and 10,223.28 is: 15,347.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,131.88 : 22,716.72 = 10,223.28 : x
  2. Step 2: Convert to fraction form
    15,131.88/22,716.72 = 10,223.28/x
  3. Step 3: Cross multiply
    15,131.88x = 22,716.72 × 10,223.28
  4. Step 4: Simplify right side
    15,131.88x = 232,239,389.24
  5. Step 5: Solve for x
    x = 232,239,389.24/15,131.88
  6. Step 6: Final answer
    x = 15,347.69

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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.