Home / 14,091.48-19,445.13-8,119.17

Finding the Fourth Proportional to 14,091.48, 19,445.13 and 8,119.17

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Solution

The fourth proportional to 14,091.48, 19,445.13 and 8,119.17 is: 11,203.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,091.48 : 19,445.13 = 8,119.17 : x
  2. Step 2: Convert to fraction form
    14,091.48/19,445.13 = 8,119.17/x
  3. Step 3: Cross multiply
    14,091.48x = 19,445.13 × 8,119.17
  4. Step 4: Simplify right side
    14,091.48x = 157,878,316.14
  5. Step 5: Solve for x
    x = 157,878,316.14/14,091.48
  6. Step 6: Final answer
    x = 11,203.81

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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.