Home / 20,877.37-31,313.54-5,885.61

Finding the Fourth Proportional to 20,877.37, 31,313.54 and 5,885.61

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Solution

The fourth proportional to 20,877.37, 31,313.54 and 5,885.61 is: 8,827.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,877.37 : 31,313.54 = 5,885.61 : x
  2. Step 2: Convert to fraction form
    20,877.37/31,313.54 = 5,885.61/x
  3. Step 3: Cross multiply
    20,877.37x = 31,313.54 × 5,885.61
  4. Step 4: Simplify right side
    20,877.37x = 184,299,098.16
  5. Step 5: Solve for x
    x = 184,299,098.16/20,877.37
  6. Step 6: Final answer
    x = 8,827.70

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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.