Home / 15,508.32-23,266.37-4,979.28

Finding the Fourth Proportional to 15,508.32, 23,266.37 and 4,979.28

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Solution

The fourth proportional to 15,508.32, 23,266.37 and 4,979.28 is: 7,470.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,508.32 : 23,266.37 = 4,979.28 : x
  2. Step 2: Convert to fraction form
    15,508.32/23,266.37 = 4,979.28/x
  3. Step 3: Cross multiply
    15,508.32x = 23,266.37 × 4,979.28
  4. Step 4: Simplify right side
    15,508.32x = 115,849,770.81
  5. Step 5: Solve for x
    x = 115,849,770.81/15,508.32
  6. Step 6: Final answer
    x = 7,470.17

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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.