Home / 19,596.47-27,042.68-10,643.78

Finding the Fourth Proportional to 19,596.47, 27,042.68 and 10,643.78

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Solution

The fourth proportional to 19,596.47, 27,042.68 and 10,643.78 is: 14,688.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,596.47 : 27,042.68 = 10,643.78 : x
  2. Step 2: Convert to fraction form
    19,596.47/27,042.68 = 10,643.78/x
  3. Step 3: Cross multiply
    19,596.47x = 27,042.68 × 10,643.78
  4. Step 4: Simplify right side
    19,596.47x = 287,836,336.53
  5. Step 5: Solve for x
    x = 287,836,336.53/19,596.47
  6. Step 6: Final answer
    x = 14,688.17

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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.