Home / 19,860.24-29,725.92-10,486.92

Finding the Fourth Proportional to 19,860.24, 29,725.92 and 10,486.92

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Solution

The fourth proportional to 19,860.24, 29,725.92 and 10,486.92 is: 15,696.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,860.24 : 29,725.92 = 10,486.92 : x
  2. Step 2: Convert to fraction form
    19,860.24/29,725.92 = 10,486.92/x
  3. Step 3: Cross multiply
    19,860.24x = 29,725.92 × 10,486.92
  4. Step 4: Simplify right side
    19,860.24x = 311,733,344.97
  5. Step 5: Solve for x
    x = 311,733,344.97/19,860.24
  6. Step 6: Final answer
    x = 15,696.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.