Home / 19,069.06-26,327.58-15,540.70

Finding the Fourth Proportional to 19,069.06, 26,327.58 and 15,540.70

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Solution

The fourth proportional to 19,069.06, 26,327.58 and 15,540.70 is: 21,456.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,069.06 : 26,327.58 = 15,540.70 : x
  2. Step 2: Convert to fraction form
    19,069.06/26,327.58 = 15,540.70/x
  3. Step 3: Cross multiply
    19,069.06x = 26,327.58 × 15,540.70
  4. Step 4: Simplify right side
    19,069.06x = 409,149,022.51
  5. Step 5: Solve for x
    x = 409,149,022.51/19,069.06
  6. Step 6: Final answer
    x = 21,456.17

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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.