Home / 25,867.71-38,760.96-17,985.54

Finding the Fourth Proportional to 25,867.71, 38,760.96 and 17,985.54

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Solution

The fourth proportional to 25,867.71, 38,760.96 and 17,985.54 is: 26,950.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,867.71 : 38,760.96 = 17,985.54 : x
  2. Step 2: Convert to fraction form
    25,867.71/38,760.96 = 17,985.54/x
  3. Step 3: Cross multiply
    25,867.71x = 38,760.96 × 17,985.54
  4. Step 4: Simplify right side
    25,867.71x = 697,136,796.52
  5. Step 5: Solve for x
    x = 697,136,796.52/25,867.71
  6. Step 6: Final answer
    x = 26,950.08

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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.