Home / 20,809.17-31,214.67-6,019.59

Finding the Fourth Proportional to 20,809.17, 31,214.67 and 6,019.59

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Solution

The fourth proportional to 20,809.17, 31,214.67 and 6,019.59 is: 9,029.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,809.17 : 31,214.67 = 6,019.59 : x
  2. Step 2: Convert to fraction form
    20,809.17/31,214.67 = 6,019.59/x
  3. Step 3: Cross multiply
    20,809.17x = 31,214.67 × 6,019.59
  4. Step 4: Simplify right side
    20,809.17x = 187,899,329.21
  5. Step 5: Solve for x
    x = 187,899,329.21/20,809.17
  6. Step 6: Final answer
    x = 9,029.64

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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.