Home / 19,039.74-26,277.90-18,198.75

Finding the Fourth Proportional to 19,039.74, 26,277.90 and 18,198.75

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Solution

The fourth proportional to 19,039.74, 26,277.90 and 18,198.75 is: 25,117.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,039.74 : 26,277.90 = 18,198.75 : x
  2. Step 2: Convert to fraction form
    19,039.74/26,277.90 = 18,198.75/x
  3. Step 3: Cross multiply
    19,039.74x = 26,277.90 × 18,198.75
  4. Step 4: Simplify right side
    19,039.74x = 478,224,932.63
  5. Step 5: Solve for x
    x = 478,224,932.63/19,039.74
  6. Step 6: Final answer
    x = 25,117.20

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Half scale
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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.