Home / 27,126.12-37,437.48-16,515.12

Finding the Fourth Proportional to 27,126.12, 37,437.48 and 16,515.12

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Solution

The fourth proportional to 27,126.12, 37,437.48 and 16,515.12 is: 22,792.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,126.12 : 37,437.48 = 16,515.12 : x
  2. Step 2: Convert to fraction form
    27,126.12/37,437.48 = 16,515.12/x
  3. Step 3: Cross multiply
    27,126.12x = 37,437.48 × 16,515.12
  4. Step 4: Simplify right side
    27,126.12x = 618,284,474.70
  5. Step 5: Solve for x
    x = 618,284,474.70/27,126.12
  6. Step 6: Final answer
    x = 22,792.96

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1.5x scale

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.