Home / 26,356.47-36,371.89-14,419.78

Finding the Fourth Proportional to 26,356.47, 36,371.89 and 14,419.78

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Solution

The fourth proportional to 26,356.47, 36,371.89 and 14,419.78 is: 19,899.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,356.47 : 36,371.89 = 14,419.78 : x
  2. Step 2: Convert to fraction form
    26,356.47/36,371.89 = 14,419.78/x
  3. Step 3: Cross multiply
    26,356.47x = 36,371.89 × 14,419.78
  4. Step 4: Simplify right side
    26,356.47x = 524,474,600.26
  5. Step 5: Solve for x
    x = 524,474,600.26/26,356.47
  6. Step 6: Final answer
    x = 19,899.27

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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.