Home / 19,729.35-29,602.80-10,367.10

Finding the Fourth Proportional to 19,729.35, 29,602.80 and 10,367.10

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Solution

The fourth proportional to 19,729.35, 29,602.80 and 10,367.10 is: 15,555.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,729.35 : 29,602.80 = 10,367.10 : x
  2. Step 2: Convert to fraction form
    19,729.35/29,602.80 = 10,367.10/x
  3. Step 3: Cross multiply
    19,729.35x = 29,602.80 × 10,367.10
  4. Step 4: Simplify right side
    19,729.35x = 306,895,187.88
  5. Step 5: Solve for x
    x = 306,895,187.88/19,729.35
  6. Step 6: Final answer
    x = 15,555.26

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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.