Home / 26,385.40-39,605.38-17,681.14

Finding the Fourth Proportional to 26,385.40, 39,605.38 and 17,681.14

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Solution

The fourth proportional to 26,385.40, 39,605.38 and 17,681.14 is: 26,539.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,385.40 : 39,605.38 = 17,681.14 : x
  2. Step 2: Convert to fraction form
    26,385.40/39,605.38 = 17,681.14/x
  3. Step 3: Cross multiply
    26,385.40x = 39,605.38 × 17,681.14
  4. Step 4: Simplify right side
    26,385.40x = 700,268,268.53
  5. Step 5: Solve for x
    x = 700,268,268.53/26,385.40
  6. Step 6: Final answer
    x = 26,539.99

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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.