Home / 19,811.73-27,340.38-10,859.04

Finding the Fourth Proportional to 19,811.73, 27,340.38 and 10,859.04

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Solution

The fourth proportional to 19,811.73, 27,340.38 and 10,859.04 is: 14,985.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,811.73 : 27,340.38 = 10,859.04 : x
  2. Step 2: Convert to fraction form
    19,811.73/27,340.38 = 10,859.04/x
  3. Step 3: Cross multiply
    19,811.73x = 27,340.38 × 10,859.04
  4. Step 4: Simplify right side
    19,811.73x = 296,890,280.04
  5. Step 5: Solve for x
    x = 296,890,280.04/19,811.73
  6. Step 6: Final answer
    x = 14,985.58

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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.