Home / 20,848.50-31,272.96-5,266.14

Finding the Fourth Proportional to 20,848.50, 31,272.96 and 5,266.14

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Solution

The fourth proportional to 20,848.50, 31,272.96 and 5,266.14 is: 7,899.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,848.50 : 31,272.96 = 5,266.14 : x
  2. Step 2: Convert to fraction form
    20,848.50/31,272.96 = 5,266.14/x
  3. Step 3: Cross multiply
    20,848.50x = 31,272.96 × 5,266.14
  4. Step 4: Simplify right side
    20,848.50x = 164,687,785.57
  5. Step 5: Solve for x
    x = 164,687,785.57/20,848.50
  6. Step 6: Final answer
    x = 7,899.26

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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.