Home / 20,679.74-31,024.23-7,532.11

Finding the Fourth Proportional to 20,679.74, 31,024.23 and 7,532.11

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Solution

The fourth proportional to 20,679.74, 31,024.23 and 7,532.11 is: 11,299.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,679.74 : 31,024.23 = 7,532.11 : x
  2. Step 2: Convert to fraction form
    20,679.74/31,024.23 = 7,532.11/x
  3. Step 3: Cross multiply
    20,679.74x = 31,024.23 × 7,532.11
  4. Step 4: Simplify right side
    20,679.74x = 233,677,875.36
  5. Step 5: Solve for x
    x = 233,677,875.36/20,679.74
  6. Step 6: Final answer
    x = 11,299.85

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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.