Home / 13,880.94-19,155.60-7,593.36

Finding the Fourth Proportional to 13,880.94, 19,155.60 and 7,593.36

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Solution

The fourth proportional to 13,880.94, 19,155.60 and 7,593.36 is: 10,478.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,880.94 : 19,155.60 = 7,593.36 : x
  2. Step 2: Convert to fraction form
    13,880.94/19,155.60 = 7,593.36/x
  3. Step 3: Cross multiply
    13,880.94x = 19,155.60 × 7,593.36
  4. Step 4: Simplify right side
    13,880.94x = 145,455,366.82
  5. Step 5: Solve for x
    x = 145,455,366.82/13,880.94
  6. Step 6: Final answer
    x = 10,478.78

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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.