Home / 13,881.25-19,156.13-7,593.76

Finding the Fourth Proportional to 13,881.25, 19,156.13 and 7,593.76

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Solution

The fourth proportional to 13,881.25, 19,156.13 and 7,593.76 is: 10,479.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,881.25 : 19,156.13 = 7,593.76 : x
  2. Step 2: Convert to fraction form
    13,881.25/19,156.13 = 7,593.76/x
  3. Step 3: Cross multiply
    13,881.25x = 19,156.13 × 7,593.76
  4. Step 4: Simplify right side
    13,881.25x = 145,467,053.75
  5. Step 5: Solve for x
    x = 145,467,053.75/13,881.25
  6. Step 6: Final answer
    x = 10,479.39

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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.