Home / 19,863.46-29,731.26-10,490.08

Finding the Fourth Proportional to 19,863.46, 29,731.26 and 10,490.08

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Solution

The fourth proportional to 19,863.46, 29,731.26 and 10,490.08 is: 15,701.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,863.46 : 29,731.26 = 10,490.08 : x
  2. Step 2: Convert to fraction form
    19,863.46/29,731.26 = 10,490.08/x
  3. Step 3: Cross multiply
    19,863.46x = 29,731.26 × 10,490.08
  4. Step 4: Simplify right side
    19,863.46x = 311,883,295.90
  5. Step 5: Solve for x
    x = 311,883,295.90/19,863.46
  6. Step 6: Final answer
    x = 15,701.36

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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.