Home / 15,581.67-23,359.49-7,257.40

Finding the Fourth Proportional to 15,581.67, 23,359.49 and 7,257.40

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Solution

The fourth proportional to 15,581.67, 23,359.49 and 7,257.40 is: 10,880.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,581.67 : 23,359.49 = 7,257.40 : x
  2. Step 2: Convert to fraction form
    15,581.67/23,359.49 = 7,257.40/x
  3. Step 3: Cross multiply
    15,581.67x = 23,359.49 × 7,257.40
  4. Step 4: Simplify right side
    15,581.67x = 169,529,095.26
  5. Step 5: Solve for x
    x = 169,529,095.26/15,581.67
  6. Step 6: Final answer
    x = 10,880.04

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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.