Home / 25,897.40-38,853.30-11,113.40

Finding the Fourth Proportional to 25,897.40, 38,853.30 and 11,113.40

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Solution

The fourth proportional to 25,897.40, 38,853.30 and 11,113.40 is: 16,673.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,897.40 : 38,853.30 = 11,113.40 : x
  2. Step 2: Convert to fraction form
    25,897.40/38,853.30 = 11,113.40/x
  3. Step 3: Cross multiply
    25,897.40x = 38,853.30 × 11,113.40
  4. Step 4: Simplify right side
    25,897.40x = 431,792,264.22
  5. Step 5: Solve for x
    x = 431,792,264.22/25,897.40
  6. Step 6: Final answer
    x = 16,673.19

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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.