Home / 13,880.82-19,155.49-7,593.20

Finding the Fourth Proportional to 13,880.82, 19,155.49 and 7,593.20

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Solution

The fourth proportional to 13,880.82, 19,155.49 and 7,593.20 is: 10,478.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,880.82 : 19,155.49 = 7,593.20 : x
  2. Step 2: Convert to fraction form
    13,880.82/19,155.49 = 7,593.20/x
  3. Step 3: Cross multiply
    13,880.82x = 19,155.49 × 7,593.20
  4. Step 4: Simplify right side
    13,880.82x = 145,451,332.92
  5. Step 5: Solve for x
    x = 145,451,332.92/13,880.82
  6. Step 6: Final answer
    x = 10,478.58

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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.