Home / 20,208.48-30,314.08-6,168.59

Finding the Fourth Proportional to 20,208.48, 30,314.08 and 6,168.59

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Solution

The fourth proportional to 20,208.48, 30,314.08 and 6,168.59 is: 9,253.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,208.48 : 30,314.08 = 6,168.59 : x
  2. Step 2: Convert to fraction form
    20,208.48/30,314.08 = 6,168.59/x
  3. Step 3: Cross multiply
    20,208.48x = 30,314.08 × 6,168.59
  4. Step 4: Simplify right side
    20,208.48x = 186,995,130.75
  5. Step 5: Solve for x
    x = 186,995,130.75/20,208.48
  6. Step 6: Final answer
    x = 9,253.30

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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.