Home / 22,548.74-31,115.15-15,266.02

Finding the Fourth Proportional to 22,548.74, 31,115.15 and 15,266.02

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Solution

The fourth proportional to 22,548.74, 31,115.15 and 15,266.02 is: 21,065.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,548.74 : 31,115.15 = 15,266.02 : x
  2. Step 2: Convert to fraction form
    22,548.74/31,115.15 = 15,266.02/x
  3. Step 3: Cross multiply
    22,548.74x = 31,115.15 × 15,266.02
  4. Step 4: Simplify right side
    22,548.74x = 475,004,348.09
  5. Step 5: Solve for x
    x = 475,004,348.09/22,548.74
  6. Step 6: Final answer
    x = 21,065.67

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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.