Home / 20,884.32-31,320.31-6,089.26

Finding the Fourth Proportional to 20,884.32, 31,320.31 and 6,089.26

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Solution

The fourth proportional to 20,884.32, 31,320.31 and 6,089.26 is: 9,132.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,884.32 : 31,320.31 = 6,089.26 : x
  2. Step 2: Convert to fraction form
    20,884.32/31,320.31 = 6,089.26/x
  3. Step 3: Cross multiply
    20,884.32x = 31,320.31 × 6,089.26
  4. Step 4: Simplify right side
    20,884.32x = 190,717,510.87
  5. Step 5: Solve for x
    x = 190,717,510.87/20,884.32
  6. Step 6: Final answer
    x = 9,132.09

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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.