Home / 26,388.14-36,415.36-14,288.56

Finding the Fourth Proportional to 26,388.14, 36,415.36 and 14,288.56

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Solution

The fourth proportional to 26,388.14, 36,415.36 and 14,288.56 is: 19,718.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,388.14 : 36,415.36 = 14,288.56 : x
  2. Step 2: Convert to fraction form
    26,388.14/36,415.36 = 14,288.56/x
  3. Step 3: Cross multiply
    26,388.14x = 36,415.36 × 14,288.56
  4. Step 4: Simplify right side
    26,388.14x = 520,322,929.52
  5. Step 5: Solve for x
    x = 520,322,929.52/26,388.14
  6. Step 6: Final answer
    x = 19,718.06

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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.