Home / 18,501.30-25,529.82-10,948.02

Finding the Fourth Proportional to 18,501.30, 25,529.82 and 10,948.02

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Solution

The fourth proportional to 18,501.30, 25,529.82 and 10,948.02 is: 15,107.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,501.30 : 25,529.82 = 10,948.02 : x
  2. Step 2: Convert to fraction form
    18,501.30/25,529.82 = 10,948.02/x
  3. Step 3: Cross multiply
    18,501.30x = 25,529.82 × 10,948.02
  4. Step 4: Simplify right side
    18,501.30x = 279,500,979.96
  5. Step 5: Solve for x
    x = 279,500,979.96/18,501.30
  6. Step 6: Final answer
    x = 15,107.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.