Home / 20,892.60-31,336.67-5,899.35

Finding the Fourth Proportional to 20,892.60, 31,336.67 and 5,899.35

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Solution

The fourth proportional to 20,892.60, 31,336.67 and 5,899.35 is: 8,848.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,892.60 : 31,336.67 = 5,899.35 : x
  2. Step 2: Convert to fraction form
    20,892.60/31,336.67 = 5,899.35/x
  3. Step 3: Cross multiply
    20,892.60x = 31,336.67 × 5,899.35
  4. Step 4: Simplify right side
    20,892.60x = 184,865,954.67
  5. Step 5: Solve for x
    x = 184,865,954.67/20,892.60
  6. Step 6: Final answer
    x = 8,848.39

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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.