Home / 14,155.56-19,536.93-8,190.86

Finding the Fourth Proportional to 14,155.56, 19,536.93 and 8,190.86

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Solution

The fourth proportional to 14,155.56, 19,536.93 and 8,190.86 is: 11,304.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,155.56 : 19,536.93 = 8,190.86 : x
  2. Step 2: Convert to fraction form
    14,155.56/19,536.93 = 8,190.86/x
  3. Step 3: Cross multiply
    14,155.56x = 19,536.93 × 8,190.86
  4. Step 4: Simplify right side
    14,155.56x = 160,024,160.78
  5. Step 5: Solve for x
    x = 160,024,160.78/14,155.56
  6. Step 6: Final answer
    x = 11,304.69

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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.