Home / 19,588.68-27,011.70-13,917.52

Finding the Fourth Proportional to 19,588.68, 27,011.70 and 13,917.52

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Solution

The fourth proportional to 19,588.68, 27,011.70 and 13,917.52 is: 19,191.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,588.68 : 27,011.70 = 13,917.52 : x
  2. Step 2: Convert to fraction form
    19,588.68/27,011.70 = 13,917.52/x
  3. Step 3: Cross multiply
    19,588.68x = 27,011.70 × 13,917.52
  4. Step 4: Simplify right side
    19,588.68x = 375,935,874.98
  5. Step 5: Solve for x
    x = 375,935,874.98/19,588.68
  6. Step 6: Final answer
    x = 19,191.49

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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.