Home / 25,316.58-37,974.85-19,761.60

Finding the Fourth Proportional to 25,316.58, 37,974.85 and 19,761.60

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Solution

The fourth proportional to 25,316.58, 37,974.85 and 19,761.60 is: 29,642.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,316.58 : 37,974.85 = 19,761.60 : x
  2. Step 2: Convert to fraction form
    25,316.58/37,974.85 = 19,761.60/x
  3. Step 3: Cross multiply
    25,316.58x = 37,974.85 × 19,761.60
  4. Step 4: Simplify right side
    25,316.58x = 750,443,795.76
  5. Step 5: Solve for x
    x = 750,443,795.76/25,316.58
  6. Step 6: Final answer
    x = 29,642.38

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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.