Home / 13,814.48-19,064.29-8,150.61

Finding the Fourth Proportional to 13,814.48, 19,064.29 and 8,150.61

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Solution

The fourth proportional to 13,814.48, 19,064.29 and 8,150.61 is: 11,248.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,814.48 : 19,064.29 = 8,150.61 : x
  2. Step 2: Convert to fraction form
    13,814.48/19,064.29 = 8,150.61/x
  3. Step 3: Cross multiply
    13,814.48x = 19,064.29 × 8,150.61
  4. Step 4: Simplify right side
    13,814.48x = 155,385,528.95
  5. Step 5: Solve for x
    x = 155,385,528.95/13,814.48
  6. Step 6: Final answer
    x = 11,248.02

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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.