Home / 19,610.70-29,428.65-10,851.90

Finding the Fourth Proportional to 19,610.70, 29,428.65 and 10,851.90

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Solution

The fourth proportional to 19,610.70, 29,428.65 and 10,851.90 is: 16,284.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,610.70 : 29,428.65 = 10,851.90 : x
  2. Step 2: Convert to fraction form
    19,610.70/29,428.65 = 10,851.90/x
  3. Step 3: Cross multiply
    19,610.70x = 29,428.65 × 10,851.90
  4. Step 4: Simplify right side
    19,610.70x = 319,356,766.94
  5. Step 5: Solve for x
    x = 319,356,766.94/19,610.70
  6. Step 6: Final answer
    x = 16,284.82

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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.