Home / 19,750.96-29,632.38-11,429.08

Finding the Fourth Proportional to 19,750.96, 29,632.38 and 11,429.08

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Solution

The fourth proportional to 19,750.96, 29,632.38 and 11,429.08 is: 17,147.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,750.96 : 29,632.38 = 11,429.08 : x
  2. Step 2: Convert to fraction form
    19,750.96/29,632.38 = 11,429.08/x
  3. Step 3: Cross multiply
    19,750.96x = 29,632.38 × 11,429.08
  4. Step 4: Simplify right side
    19,750.96x = 338,670,841.61
  5. Step 5: Solve for x
    x = 338,670,841.61/19,750.96
  6. Step 6: Final answer
    x = 17,147.06

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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.