Home / 19,682.20-27,161.14-10,730.08

Finding the Fourth Proportional to 19,682.20, 27,161.14 and 10,730.08

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Solution

The fourth proportional to 19,682.20, 27,161.14 and 10,730.08 is: 14,807.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,682.20 : 27,161.14 = 10,730.08 : x
  2. Step 2: Convert to fraction form
    19,682.20/27,161.14 = 10,730.08/x
  3. Step 3: Cross multiply
    19,682.20x = 27,161.14 × 10,730.08
  4. Step 4: Simplify right side
    19,682.20x = 291,441,205.09
  5. Step 5: Solve for x
    x = 291,441,205.09/19,682.20
  6. Step 6: Final answer
    x = 14,807.35

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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.