Home / 26,587.04-39,878.08-8,119.04

Finding the Fourth Proportional to 26,587.04, 39,878.08 and 8,119.04

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Solution

The fourth proportional to 26,587.04, 39,878.08 and 8,119.04 is: 12,177.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,587.04 : 39,878.08 = 8,119.04 : x
  2. Step 2: Convert to fraction form
    26,587.04/39,878.08 = 8,119.04/x
  3. Step 3: Cross multiply
    26,587.04x = 39,878.08 × 8,119.04
  4. Step 4: Simplify right side
    26,587.04x = 323,771,726.64
  5. Step 5: Solve for x
    x = 323,771,726.64/26,587.04
  6. Step 6: Final answer
    x = 12,177.80

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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.