Home / 25,808.74-38,686.96-17,489.60

Finding the Fourth Proportional to 25,808.74, 38,686.96 and 17,489.60

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Solution

The fourth proportional to 25,808.74, 38,686.96 and 17,489.60 is: 26,216.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,808.74 : 38,686.96 = 17,489.60 : x
  2. Step 2: Convert to fraction form
    25,808.74/38,686.96 = 17,489.60/x
  3. Step 3: Cross multiply
    25,808.74x = 38,686.96 × 17,489.60
  4. Step 4: Simplify right side
    25,808.74x = 676,619,174.73
  5. Step 5: Solve for x
    x = 676,619,174.73/25,808.74
  6. Step 6: Final answer
    x = 26,216.67

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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.