Home / 10,267.65-15,399.05-10,040.45

Finding the Fourth Proportional to 10,267.65, 15,399.05 and 10,040.45

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Solution

The fourth proportional to 10,267.65, 15,399.05 and 10,040.45 is: 15,058.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,267.65 : 15,399.05 = 10,040.45 : x
  2. Step 2: Convert to fraction form
    10,267.65/15,399.05 = 10,040.45/x
  3. Step 3: Cross multiply
    10,267.65x = 15,399.05 × 10,040.45
  4. Step 4: Simplify right side
    10,267.65x = 154,613,264.38
  5. Step 5: Solve for x
    x = 154,613,264.38/10,267.65
  6. Step 6: Final answer
    x = 15,058.29

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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.