Home / 25,759.91-38,643.10-9,116.03

Finding the Fourth Proportional to 25,759.91, 38,643.10 and 9,116.03

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Solution

The fourth proportional to 25,759.91, 38,643.10 and 9,116.03 is: 13,675.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,759.91 : 38,643.10 = 9,116.03 : x
  2. Step 2: Convert to fraction form
    25,759.91/38,643.10 = 9,116.03/x
  3. Step 3: Cross multiply
    25,759.91x = 38,643.10 × 9,116.03
  4. Step 4: Simplify right side
    25,759.91x = 352,271,442.89
  5. Step 5: Solve for x
    x = 352,271,442.89/25,759.91
  6. Step 6: Final answer
    x = 13,675.18

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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.