Home / 25,719.10-35,492.62-15,109.18

Finding the Fourth Proportional to 25,719.10, 35,492.62 and 15,109.18

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Solution

The fourth proportional to 25,719.10, 35,492.62 and 15,109.18 is: 20,850.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,719.10 : 35,492.62 = 15,109.18 : x
  2. Step 2: Convert to fraction form
    25,719.10/35,492.62 = 15,109.18/x
  3. Step 3: Cross multiply
    25,719.10x = 35,492.62 × 15,109.18
  4. Step 4: Simplify right side
    25,719.10x = 536,264,384.25
  5. Step 5: Solve for x
    x = 536,264,384.25/25,719.10
  6. Step 6: Final answer
    x = 20,850.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.