Home / 14,085.59-19,442.99-8,119.62

Finding the Fourth Proportional to 14,085.59, 19,442.99 and 8,119.62

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Solution

The fourth proportional to 14,085.59, 19,442.99 and 8,119.62 is: 11,207.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,085.59 : 19,442.99 = 8,119.62 : x
  2. Step 2: Convert to fraction form
    14,085.59/19,442.99 = 8,119.62/x
  3. Step 3: Cross multiply
    14,085.59x = 19,442.99 × 8,119.62
  4. Step 4: Simplify right side
    14,085.59x = 157,869,649.87
  5. Step 5: Solve for x
    x = 157,869,649.87/14,085.59
  6. Step 6: Final answer
    x = 11,207.89

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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.