Home / 20,207.81-30,316.23-6,169.08

Finding the Fourth Proportional to 20,207.81, 30,316.23 and 6,169.08

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Solution

The fourth proportional to 20,207.81, 30,316.23 and 6,169.08 is: 9,255.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,207.81 : 30,316.23 = 6,169.08 : x
  2. Step 2: Convert to fraction form
    20,207.81/30,316.23 = 6,169.08/x
  3. Step 3: Cross multiply
    20,207.81x = 30,316.23 × 6,169.08
  4. Step 4: Simplify right side
    20,207.81x = 187,023,248.17
  5. Step 5: Solve for x
    x = 187,023,248.17/20,207.81
  6. Step 6: Final answer
    x = 9,255.00

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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.