Home / 15,610.60-23,387.10-13,133.80

Finding the Fourth Proportional to 15,610.60, 23,387.10 and 13,133.80

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Solution

The fourth proportional to 15,610.60, 23,387.10 and 13,133.80 is: 19,676.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,610.60 : 23,387.10 = 13,133.80 : x
  2. Step 2: Convert to fraction form
    15,610.60/23,387.10 = 13,133.80/x
  3. Step 3: Cross multiply
    15,610.60x = 23,387.10 × 13,133.80
  4. Step 4: Simplify right side
    15,610.60x = 307,161,493.98
  5. Step 5: Solve for x
    x = 307,161,493.98/15,610.60
  6. Step 6: Final answer
    x = 19,676.47

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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.