Home / 34,757.40-52,136.10-12,574.20

Finding the Fourth Proportional to 34,757.40, 52,136.10 and 12,574.20

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Solution

The fourth proportional to 34,757.40, 52,136.10 and 12,574.20 is: 18,861.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,757.40 : 52,136.10 = 12,574.20 : x
  2. Step 2: Convert to fraction form
    34,757.40/52,136.10 = 12,574.20/x
  3. Step 3: Cross multiply
    34,757.40x = 52,136.10 × 12,574.20
  4. Step 4: Simplify right side
    34,757.40x = 655,569,748.62
  5. Step 5: Solve for x
    x = 655,569,748.62/34,757.40
  6. Step 6: Final answer
    x = 18,861.30

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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.