Home / 13,904.92-19,188.66-7,617.52

Finding the Fourth Proportional to 13,904.92, 19,188.66 and 7,617.52

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Solution

The fourth proportional to 13,904.92, 19,188.66 and 7,617.52 is: 10,512.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.92 : 19,188.66 = 7,617.52 : x
  2. Step 2: Convert to fraction form
    13,904.92/19,188.66 = 7,617.52/x
  3. Step 3: Cross multiply
    13,904.92x = 19,188.66 × 7,617.52
  4. Step 4: Simplify right side
    13,904.92x = 146,170,001.32
  5. Step 5: Solve for x
    x = 146,170,001.32/13,904.92
  6. Step 6: Final answer
    x = 10,512.11

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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.