Home / 13,881.45-19,156.85-7,593.82

Finding the Fourth Proportional to 13,881.45, 19,156.85 and 7,593.82

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Solution

The fourth proportional to 13,881.45, 19,156.85 and 7,593.82 is: 10,479.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,881.45 : 19,156.85 = 7,593.82 : x
  2. Step 2: Convert to fraction form
    13,881.45/19,156.85 = 7,593.82/x
  3. Step 3: Cross multiply
    13,881.45x = 19,156.85 × 7,593.82
  4. Step 4: Simplify right side
    13,881.45x = 145,473,688.52
  5. Step 5: Solve for x
    x = 145,473,688.52/13,881.45
  6. Step 6: Final answer
    x = 10,479.72

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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.