Home / 26,540.34-36,586.40-16,979.20

Finding the Fourth Proportional to 26,540.34, 36,586.40 and 16,979.20

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Solution

The fourth proportional to 26,540.34, 36,586.40 and 16,979.20 is: 23,406.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,540.34 : 36,586.40 = 16,979.20 : x
  2. Step 2: Convert to fraction form
    26,540.34/36,586.40 = 16,979.20/x
  3. Step 3: Cross multiply
    26,540.34x = 36,586.40 × 16,979.20
  4. Step 4: Simplify right side
    26,540.34x = 621,207,802.88
  5. Step 5: Solve for x
    x = 621,207,802.88/26,540.34
  6. Step 6: Final answer
    x = 23,406.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.