Home / 25,340.53-38,016.98-17,858.68

Finding the Fourth Proportional to 25,340.53, 38,016.98 and 17,858.68

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Solution

The fourth proportional to 25,340.53, 38,016.98 and 17,858.68 is: 26,792.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,340.53 : 38,016.98 = 17,858.68 : x
  2. Step 2: Convert to fraction form
    25,340.53/38,016.98 = 17,858.68/x
  3. Step 3: Cross multiply
    25,340.53x = 38,016.98 × 17,858.68
  4. Step 4: Simplify right side
    25,340.53x = 678,933,080.39
  5. Step 5: Solve for x
    x = 678,933,080.39/25,340.53
  6. Step 6: Final answer
    x = 26,792.38

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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.