Home / 16,902.76-23,332.38-15,131.26

Finding the Fourth Proportional to 16,902.76, 23,332.38 and 15,131.26

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Solution

The fourth proportional to 16,902.76, 23,332.38 and 15,131.26 is: 20,887.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,902.76 : 23,332.38 = 15,131.26 : x
  2. Step 2: Convert to fraction form
    16,902.76/23,332.38 = 15,131.26/x
  3. Step 3: Cross multiply
    16,902.76x = 23,332.38 × 15,131.26
  4. Step 4: Simplify right side
    16,902.76x = 353,048,308.20
  5. Step 5: Solve for x
    x = 353,048,308.20/16,902.76
  6. Step 6: Final answer
    x = 20,887.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.