Home / 15,623.10-23,443.80-5,769.24

Finding the Fourth Proportional to 15,623.10, 23,443.80 and 5,769.24

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Solution

The fourth proportional to 15,623.10, 23,443.80 and 5,769.24 is: 8,657.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,623.10 : 23,443.80 = 5,769.24 : x
  2. Step 2: Convert to fraction form
    15,623.10/23,443.80 = 5,769.24/x
  3. Step 3: Cross multiply
    15,623.10x = 23,443.80 × 5,769.24
  4. Step 4: Simplify right side
    15,623.10x = 135,252,908.71
  5. Step 5: Solve for x
    x = 135,252,908.71/15,623.10
  6. Step 6: Final answer
    x = 8,657.24

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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.