Home / 20,882.79-31,320.85-6,088.25

Finding the Fourth Proportional to 20,882.79, 31,320.85 and 6,088.25

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Solution

The fourth proportional to 20,882.79, 31,320.85 and 6,088.25 is: 9,131.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,882.79 : 31,320.85 = 6,088.25 : x
  2. Step 2: Convert to fraction form
    20,882.79/31,320.85 = 6,088.25/x
  3. Step 3: Cross multiply
    20,882.79x = 31,320.85 × 6,088.25
  4. Step 4: Simplify right side
    20,882.79x = 190,689,086.71
  5. Step 5: Solve for x
    x = 190,689,086.71/20,882.79
  6. Step 6: Final answer
    x = 9,131.40

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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.