Home / 14,127.57-19,496.96-7,839.95

Finding the Fourth Proportional to 14,127.57, 19,496.96 and 7,839.95

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Solution

The fourth proportional to 14,127.57, 19,496.96 and 7,839.95 is: 10,819.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.57 : 19,496.96 = 7,839.95 : x
  2. Step 2: Convert to fraction form
    14,127.57/19,496.96 = 7,839.95/x
  3. Step 3: Cross multiply
    14,127.57x = 19,496.96 × 7,839.95
  4. Step 4: Simplify right side
    14,127.57x = 152,855,054.87
  5. Step 5: Solve for x
    x = 152,855,054.87/14,127.57
  6. Step 6: Final answer
    x = 10,819.63

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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.