Home / 19,615.86-27,077.75-12,065.24

Finding the Fourth Proportional to 19,615.86, 27,077.75 and 12,065.24

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Solution

The fourth proportional to 19,615.86, 27,077.75 and 12,065.24 is: 16,654.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,615.86 : 27,077.75 = 12,065.24 : x
  2. Step 2: Convert to fraction form
    19,615.86/27,077.75 = 12,065.24/x
  3. Step 3: Cross multiply
    19,615.86x = 27,077.75 × 12,065.24
  4. Step 4: Simplify right side
    19,615.86x = 326,699,356.70
  5. Step 5: Solve for x
    x = 326,699,356.70/19,615.86
  6. Step 6: Final answer
    x = 16,654.86

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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.