Home / 13,881.57-19,156.58-7,593.95

Finding the Fourth Proportional to 13,881.57, 19,156.58 and 7,593.95

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Solution

The fourth proportional to 13,881.57, 19,156.58 and 7,593.95 is: 10,479.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,881.57 : 19,156.58 = 7,593.95 : x
  2. Step 2: Convert to fraction form
    13,881.57/19,156.58 = 7,593.95/x
  3. Step 3: Cross multiply
    13,881.57x = 19,156.58 × 7,593.95
  4. Step 4: Simplify right side
    13,881.57x = 145,473,976.94
  5. Step 5: Solve for x
    x = 145,473,976.94/13,881.57
  6. Step 6: Final answer
    x = 10,479.65

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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.