Home / 18,158.49-27,237.87-5,010.57

Finding the Fourth Proportional to 18,158.49, 27,237.87 and 5,010.57

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Solution

The fourth proportional to 18,158.49, 27,237.87 and 5,010.57 is: 7,515.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,158.49 : 27,237.87 = 5,010.57 : x
  2. Step 2: Convert to fraction form
    18,158.49/27,237.87 = 5,010.57/x
  3. Step 3: Cross multiply
    18,158.49x = 27,237.87 × 5,010.57
  4. Step 4: Simplify right side
    18,158.49x = 136,477,254.29
  5. Step 5: Solve for x
    x = 136,477,254.29/18,158.49
  6. Step 6: Final answer
    x = 7,515.89

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1.5x scale

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.