Home / 20,208.17-30,312.25-6,168.27

Finding the Fourth Proportional to 20,208.17, 30,312.25 and 6,168.27

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Solution

The fourth proportional to 20,208.17, 30,312.25 and 6,168.27 is: 9,252.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,208.17 : 30,312.25 = 6,168.27 : x
  2. Step 2: Convert to fraction form
    20,208.17/30,312.25 = 6,168.27/x
  3. Step 3: Cross multiply
    20,208.17x = 30,312.25 × 6,168.27
  4. Step 4: Simplify right side
    20,208.17x = 186,974,142.31
  5. Step 5: Solve for x
    x = 186,974,142.31/20,208.17
  6. Step 6: Final answer
    x = 9,252.40

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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.