Home / 26,840.20-40,274.70-11,259.40

Finding the Fourth Proportional to 26,840.20, 40,274.70 and 11,259.40

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Solution

The fourth proportional to 26,840.20, 40,274.70 and 11,259.40 is: 16,895.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,840.20 : 40,274.70 = 11,259.40 : x
  2. Step 2: Convert to fraction form
    26,840.20/40,274.70 = 11,259.40/x
  3. Step 3: Cross multiply
    26,840.20x = 40,274.70 × 11,259.40
  4. Step 4: Simplify right side
    26,840.20x = 453,468,957.18
  5. Step 5: Solve for x
    x = 453,468,957.18/26,840.20
  6. Step 6: Final answer
    x = 16,895.14

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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.