Home / 26,712.35-40,088.21-12,672.42

Finding the Fourth Proportional to 26,712.35, 40,088.21 and 12,672.42

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Solution

The fourth proportional to 26,712.35, 40,088.21 and 12,672.42 is: 19,017.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,712.35 : 40,088.21 = 12,672.42 : x
  2. Step 2: Convert to fraction form
    26,712.35/40,088.21 = 12,672.42/x
  3. Step 3: Cross multiply
    26,712.35x = 40,088.21 × 12,672.42
  4. Step 4: Simplify right side
    26,712.35x = 508,014,634.17
  5. Step 5: Solve for x
    x = 508,014,634.17/26,712.35
  6. Step 6: Final answer
    x = 19,017.97

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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.