Home / 20,863.24-31,294.91-6,072.50

Finding the Fourth Proportional to 20,863.24, 31,294.91 and 6,072.50

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Solution

The fourth proportional to 20,863.24, 31,294.91 and 6,072.50 is: 9,108.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,863.24 : 31,294.91 = 6,072.50 : x
  2. Step 2: Convert to fraction form
    20,863.24/31,294.91 = 6,072.50/x
  3. Step 3: Cross multiply
    20,863.24x = 31,294.91 × 6,072.50
  4. Step 4: Simplify right side
    20,863.24x = 190,038,434.39
  5. Step 5: Solve for x
    x = 190,038,434.39/20,863.24
  6. Step 6: Final answer
    x = 9,108.77

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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.