Home / 27,158.48-37,408.59-19,186.86

Finding the Fourth Proportional to 27,158.48, 37,408.59 and 19,186.86

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Solution

The fourth proportional to 27,158.48, 37,408.59 and 19,186.86 is: 26,428.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,158.48 : 37,408.59 = 19,186.86 : x
  2. Step 2: Convert to fraction form
    27,158.48/37,408.59 = 19,186.86/x
  3. Step 3: Cross multiply
    27,158.48x = 37,408.59 × 19,186.86
  4. Step 4: Simplify right side
    27,158.48x = 717,753,379.13
  5. Step 5: Solve for x
    x = 717,753,379.13/27,158.48
  6. Step 6: Final answer
    x = 26,428.34

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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.