Home / 12,729.48-17,562.60-10,367.52

Finding the Fourth Proportional to 12,729.48, 17,562.60 and 10,367.52

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Solution

The fourth proportional to 12,729.48, 17,562.60 and 10,367.52 is: 14,303.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,729.48 : 17,562.60 = 10,367.52 : x
  2. Step 2: Convert to fraction form
    12,729.48/17,562.60 = 10,367.52/x
  3. Step 3: Cross multiply
    12,729.48x = 17,562.60 × 10,367.52
  4. Step 4: Simplify right side
    12,729.48x = 182,080,606.75
  5. Step 5: Solve for x
    x = 182,080,606.75/12,729.48
  6. Step 6: Final answer
    x = 14,303.85

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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.