Home / 15,828.19-23,730.49-5,291.97

Finding the Fourth Proportional to 15,828.19, 23,730.49 and 5,291.97

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Solution

The fourth proportional to 15,828.19, 23,730.49 and 5,291.97 is: 7,934.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,828.19 : 23,730.49 = 5,291.97 : x
  2. Step 2: Convert to fraction form
    15,828.19/23,730.49 = 5,291.97/x
  3. Step 3: Cross multiply
    15,828.19x = 23,730.49 × 5,291.97
  4. Step 4: Simplify right side
    15,828.19x = 125,581,014.71
  5. Step 5: Solve for x
    x = 125,581,014.71/15,828.19
  6. Step 6: Final answer
    x = 7,934.01

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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.