Home / 14,136.85-19,508.20-7,849.63

Finding the Fourth Proportional to 14,136.85, 19,508.20 and 7,849.63

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Solution

The fourth proportional to 14,136.85, 19,508.20 and 7,849.63 is: 10,832.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,136.85 : 19,508.20 = 7,849.63 : x
  2. Step 2: Convert to fraction form
    14,136.85/19,508.20 = 7,849.63/x
  3. Step 3: Cross multiply
    14,136.85x = 19,508.20 × 7,849.63
  4. Step 4: Simplify right side
    14,136.85x = 153,132,151.97
  5. Step 5: Solve for x
    x = 153,132,151.97/14,136.85
  6. Step 6: Final answer
    x = 10,832.13

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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.