Home / 13,917.33-19,204.86-7,948.19

Finding the Fourth Proportional to 13,917.33, 19,204.86 and 7,948.19

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Solution

The fourth proportional to 13,917.33, 19,204.86 and 7,948.19 is: 10,967.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,917.33 : 19,204.86 = 7,948.19 : x
  2. Step 2: Convert to fraction form
    13,917.33/19,204.86 = 7,948.19/x
  3. Step 3: Cross multiply
    13,917.33x = 19,204.86 × 7,948.19
  4. Step 4: Simplify right side
    13,917.33x = 152,643,876.20
  5. Step 5: Solve for x
    x = 152,643,876.20/13,917.33
  6. Step 6: Final answer
    x = 10,967.90

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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.