Home / 19,392.96-29,037.18-10,139.52

Finding the Fourth Proportional to 19,392.96, 29,037.18 and 10,139.52

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Solution

The fourth proportional to 19,392.96, 29,037.18 and 10,139.52 is: 15,181.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,392.96 : 29,037.18 = 10,139.52 : x
  2. Step 2: Convert to fraction form
    19,392.96/29,037.18 = 10,139.52/x
  3. Step 3: Cross multiply
    19,392.96x = 29,037.18 × 10,139.52
  4. Step 4: Simplify right side
    19,392.96x = 294,423,067.35
  5. Step 5: Solve for x
    x = 294,423,067.35/19,392.96
  6. Step 6: Final answer
    x = 15,181.96

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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.