Home / 25,862.81-38,758.33-11,788.44

Finding the Fourth Proportional to 25,862.81, 38,758.33 and 11,788.44

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Solution

The fourth proportional to 25,862.81, 38,758.33 and 11,788.44 is: 17,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,862.81 : 38,758.33 = 11,788.44 : x
  2. Step 2: Convert to fraction form
    25,862.81/38,758.33 = 11,788.44/x
  3. Step 3: Cross multiply
    25,862.81x = 38,758.33 × 11,788.44
  4. Step 4: Simplify right side
    25,862.81x = 456,900,117.10
  5. Step 5: Solve for x
    x = 456,900,117.10/25,862.81
  6. Step 6: Final answer
    x = 17,666.30

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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.