Home / 13,165.40-19,748.10-8,244.65

Finding the Fourth Proportional to 13,165.40, 19,748.10 and 8,244.65

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Solution

The fourth proportional to 13,165.40, 19,748.10 and 8,244.65 is: 12,366.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,165.40 : 19,748.10 = 8,244.65 : x
  2. Step 2: Convert to fraction form
    13,165.40/19,748.10 = 8,244.65/x
  3. Step 3: Cross multiply
    13,165.40x = 19,748.10 × 8,244.65
  4. Step 4: Simplify right side
    13,165.40x = 162,816,172.67
  5. Step 5: Solve for x
    x = 162,816,172.67/13,165.40
  6. Step 6: Final answer
    x = 12,366.98

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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.