Home / 13,881.35-19,155.87-7,593.32

Finding the Fourth Proportional to 13,881.35, 19,155.87 and 7,593.32

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Solution

The fourth proportional to 13,881.35, 19,155.87 and 7,593.32 is: 10,478.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,881.35 : 19,155.87 = 7,593.32 : x
  2. Step 2: Convert to fraction form
    13,881.35/19,155.87 = 7,593.32/x
  3. Step 3: Cross multiply
    13,881.35x = 19,155.87 × 7,593.32
  4. Step 4: Simplify right side
    13,881.35x = 145,456,650.79
  5. Step 5: Solve for x
    x = 145,456,650.79/13,881.35
  6. Step 6: Final answer
    x = 10,478.57

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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.