Home / 23,120.70-34,681.20-7,538.33

Finding the Fourth Proportional to 23,120.70, 34,681.20 and 7,538.33

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Solution

The fourth proportional to 23,120.70, 34,681.20 and 7,538.33 is: 11,307.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,120.70 : 34,681.20 = 7,538.33 : x
  2. Step 2: Convert to fraction form
    23,120.70/34,681.20 = 7,538.33/x
  3. Step 3: Cross multiply
    23,120.70x = 34,681.20 × 7,538.33
  4. Step 4: Simplify right side
    23,120.70x = 261,438,156.99
  5. Step 5: Solve for x
    x = 261,438,156.99/23,120.70
  6. Step 6: Final answer
    x = 11,307.54

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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.