Home / 27,374.76-37,774.36-20,208.48

Finding the Fourth Proportional to 27,374.76, 37,774.36 and 20,208.48

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Solution

The fourth proportional to 27,374.76, 37,774.36 and 20,208.48 is: 27,885.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,374.76 : 37,774.36 = 20,208.48 : x
  2. Step 2: Convert to fraction form
    27,374.76/37,774.36 = 20,208.48/x
  3. Step 3: Cross multiply
    27,374.76x = 37,774.36 × 20,208.48
  4. Step 4: Simplify right side
    27,374.76x = 763,362,398.57
  5. Step 5: Solve for x
    x = 763,362,398.57/27,374.76
  6. Step 6: Final answer
    x = 27,885.63

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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.