Home / 12,827.28-19,247.01-8,884.60

Finding the Fourth Proportional to 12,827.28, 19,247.01 and 8,884.60

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Solution

The fourth proportional to 12,827.28, 19,247.01 and 8,884.60 is: 13,331.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,827.28 : 19,247.01 = 8,884.60 : x
  2. Step 2: Convert to fraction form
    12,827.28/19,247.01 = 8,884.60/x
  3. Step 3: Cross multiply
    12,827.28x = 19,247.01 × 8,884.60
  4. Step 4: Simplify right side
    12,827.28x = 171,001,985.05
  5. Step 5: Solve for x
    x = 171,001,985.05/12,827.28
  6. Step 6: Final answer
    x = 13,331.12

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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.