Home / 15,436.36-23,155.48-4,343.96

Finding the Fourth Proportional to 15,436.36, 23,155.48 and 4,343.96

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Solution

The fourth proportional to 15,436.36, 23,155.48 and 4,343.96 is: 6,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,436.36 : 23,155.48 = 4,343.96 : x
  2. Step 2: Convert to fraction form
    15,436.36/23,155.48 = 4,343.96/x
  3. Step 3: Cross multiply
    15,436.36x = 23,155.48 × 4,343.96
  4. Step 4: Simplify right side
    15,436.36x = 100,586,478.90
  5. Step 5: Solve for x
    x = 100,586,478.90/15,436.36
  6. Step 6: Final answer
    x = 6,516.20

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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.