Home / 27,420.36-37,839.96-14,845.08

Finding the Fourth Proportional to 27,420.36, 37,839.96 and 14,845.08

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Solution

The fourth proportional to 27,420.36, 37,839.96 and 14,845.08 is: 20,486.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,420.36 : 37,839.96 = 14,845.08 : x
  2. Step 2: Convert to fraction form
    27,420.36/37,839.96 = 14,845.08/x
  3. Step 3: Cross multiply
    27,420.36x = 37,839.96 × 14,845.08
  4. Step 4: Simplify right side
    27,420.36x = 561,737,233.40
  5. Step 5: Solve for x
    x = 561,737,233.40/27,420.36
  6. Step 6: Final answer
    x = 20,486.14

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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.