Home / 19,164.88-26,443.54-11,205.56

Finding the Fourth Proportional to 19,164.88, 26,443.54 and 11,205.56

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Solution

The fourth proportional to 19,164.88, 26,443.54 and 11,205.56 is: 15,461.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,164.88 : 26,443.54 = 11,205.56 : x
  2. Step 2: Convert to fraction form
    19,164.88/26,443.54 = 11,205.56/x
  3. Step 3: Cross multiply
    19,164.88x = 26,443.54 × 11,205.56
  4. Step 4: Simplify right side
    19,164.88x = 296,314,674.08
  5. Step 5: Solve for x
    x = 296,314,674.08/19,164.88
  6. Step 6: Final answer
    x = 15,461.34

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Double 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.