Home / 26,072.40-35,979.84-14,135.70

Finding the Fourth Proportional to 26,072.40, 35,979.84 and 14,135.70

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Solution

The fourth proportional to 26,072.40, 35,979.84 and 14,135.70 is: 19,507.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,072.40 : 35,979.84 = 14,135.70 : x
  2. Step 2: Convert to fraction form
    26,072.40/35,979.84 = 14,135.70/x
  3. Step 3: Cross multiply
    26,072.40x = 35,979.84 × 14,135.70
  4. Step 4: Simplify right side
    26,072.40x = 508,600,224.29
  5. Step 5: Solve for x
    x = 508,600,224.29/26,072.40
  6. Step 6: Final answer
    x = 19,507.23

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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.