Home / 20,767.16-28,658.12-19,095.32

Finding the Fourth Proportional to 20,767.16, 28,658.12 and 19,095.32

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Solution

The fourth proportional to 20,767.16, 28,658.12 and 19,095.32 is: 26,351.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,767.16 : 28,658.12 = 19,095.32 : x
  2. Step 2: Convert to fraction form
    20,767.16/28,658.12 = 19,095.32/x
  3. Step 3: Cross multiply
    20,767.16x = 28,658.12 × 19,095.32
  4. Step 4: Simplify right side
    20,767.16x = 547,235,972.00
  5. Step 5: Solve for x
    x = 547,235,972.00/20,767.16
  6. Step 6: Final answer
    x = 26,351.03

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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.