Home / 25,742.60-38,549.10-16,929.80

Finding the Fourth Proportional to 25,742.60, 38,549.10 and 16,929.80

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Solution

The fourth proportional to 25,742.60, 38,549.10 and 16,929.80 is: 25,352.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,742.60 : 38,549.10 = 16,929.80 : x
  2. Step 2: Convert to fraction form
    25,742.60/38,549.10 = 16,929.80/x
  3. Step 3: Cross multiply
    25,742.60x = 38,549.10 × 16,929.80
  4. Step 4: Simplify right side
    25,742.60x = 652,628,553.18
  5. Step 5: Solve for x
    x = 652,628,553.18/25,742.60
  6. Step 6: Final answer
    x = 25,352.08

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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.