Home / 15,858.54-23,788.17-4,172.13

Finding the Fourth Proportional to 15,858.54, 23,788.17 and 4,172.13

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Solution

The fourth proportional to 15,858.54, 23,788.17 and 4,172.13 is: 6,258.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,858.54 : 23,788.17 = 4,172.13 : x
  2. Step 2: Convert to fraction form
    15,858.54/23,788.17 = 4,172.13/x
  3. Step 3: Cross multiply
    15,858.54x = 23,788.17 × 4,172.13
  4. Step 4: Simplify right side
    15,858.54x = 99,247,337.70
  5. Step 5: Solve for x
    x = 99,247,337.70/15,858.54
  6. Step 6: Final answer
    x = 6,258.29

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1.5x scale

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.