Home / 27,135.86-37,450.70-15,196.91

Finding the Fourth Proportional to 27,135.86, 37,450.70 and 15,196.91

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Solution

The fourth proportional to 27,135.86, 37,450.70 and 15,196.91 is: 20,973.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,135.86 : 37,450.70 = 15,196.91 : x
  2. Step 2: Convert to fraction form
    27,135.86/37,450.70 = 15,196.91/x
  3. Step 3: Cross multiply
    27,135.86x = 37,450.70 × 15,196.91
  4. Step 4: Simplify right side
    27,135.86x = 569,134,654.10
  5. Step 5: Solve for x
    x = 569,134,654.10/27,135.86
  6. Step 6: Final answer
    x = 20,973.53

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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.