Home / 15,581.49-23,371.45-5,719.99

Finding the Fourth Proportional to 15,581.49, 23,371.45 and 5,719.99

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Solution

The fourth proportional to 15,581.49, 23,371.45 and 5,719.99 is: 8,579.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,581.49 : 23,371.45 = 5,719.99 : x
  2. Step 2: Convert to fraction form
    15,581.49/23,371.45 = 5,719.99/x
  3. Step 3: Cross multiply
    15,581.49x = 23,371.45 × 5,719.99
  4. Step 4: Simplify right side
    15,581.49x = 133,684,460.29
  5. Step 5: Solve for x
    x = 133,684,460.29/15,581.49
  6. Step 6: Final answer
    x = 8,579.70

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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.