Home / 19,610.67-29,415.61-13,288.52

Finding the Fourth Proportional to 19,610.67, 29,415.61 and 13,288.52

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Solution

The fourth proportional to 19,610.67, 29,415.61 and 13,288.52 is: 19,932.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,610.67 : 29,415.61 = 13,288.52 : x
  2. Step 2: Convert to fraction form
    19,610.67/29,415.61 = 13,288.52/x
  3. Step 3: Cross multiply
    19,610.67x = 29,415.61 × 13,288.52
  4. Step 4: Simplify right side
    19,610.67x = 390,889,937.20
  5. Step 5: Solve for x
    x = 390,889,937.20/19,610.67
  6. Step 6: Final answer
    x = 19,932.51

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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.