Home / 13,255.04-18,293.04-7,591.62

Finding the Fourth Proportional to 13,255.04, 18,293.04 and 7,591.62

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Solution

The fourth proportional to 13,255.04, 18,293.04 and 7,591.62 is: 10,477.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,255.04 : 18,293.04 = 7,591.62 : x
  2. Step 2: Convert to fraction form
    13,255.04/18,293.04 = 7,591.62/x
  3. Step 3: Cross multiply
    13,255.04x = 18,293.04 × 7,591.62
  4. Step 4: Simplify right side
    13,255.04x = 138,873,876.92
  5. Step 5: Solve for x
    x = 138,873,876.92/13,255.04
  6. Step 6: Final answer
    x = 10,477.06

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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.