Home / 25,556.04-35,257.50-18,857.76

Finding the Fourth Proportional to 25,556.04, 35,257.50 and 18,857.76

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Solution

The fourth proportional to 25,556.04, 35,257.50 and 18,857.76 is: 26,016.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,556.04 : 35,257.50 = 18,857.76 : x
  2. Step 2: Convert to fraction form
    25,556.04/35,257.50 = 18,857.76/x
  3. Step 3: Cross multiply
    25,556.04x = 35,257.50 × 18,857.76
  4. Step 4: Simplify right side
    25,556.04x = 664,877,473.20
  5. Step 5: Solve for x
    x = 664,877,473.20/25,556.04
  6. Step 6: Final answer
    x = 26,016.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.