Home / 19,682.77-27,162.50-10,730.42

Finding the Fourth Proportional to 19,682.77, 27,162.50 and 10,730.42

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Solution

The fourth proportional to 19,682.77, 27,162.50 and 10,730.42 is: 14,808.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,682.77 : 27,162.50 = 10,730.42 : x
  2. Step 2: Convert to fraction form
    19,682.77/27,162.50 = 10,730.42/x
  3. Step 3: Cross multiply
    19,682.77x = 27,162.50 × 10,730.42
  4. Step 4: Simplify right side
    19,682.77x = 291,465,033.25
  5. Step 5: Solve for x
    x = 291,465,033.25/19,682.77
  6. Step 6: Final answer
    x = 14,808.13

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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.