Home / 26,407.72-39,617.05-8,877.09

Finding the Fourth Proportional to 26,407.72, 39,617.05 and 8,877.09

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Solution

The fourth proportional to 26,407.72, 39,617.05 and 8,877.09 is: 13,317.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,407.72 : 39,617.05 = 8,877.09 : x
  2. Step 2: Convert to fraction form
    26,407.72/39,617.05 = 8,877.09/x
  3. Step 3: Cross multiply
    26,407.72x = 39,617.05 × 8,877.09
  4. Step 4: Simplify right side
    26,407.72x = 351,684,261.40
  5. Step 5: Solve for x
    x = 351,684,261.40/26,407.72
  6. Step 6: Final answer
    x = 13,317.48

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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.