Home / 13,159.86-19,734.54-6,229.50

Finding the Fourth Proportional to 13,159.86, 19,734.54 and 6,229.50

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Solution

The fourth proportional to 13,159.86, 19,734.54 and 6,229.50 is: 9,341.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,159.86 : 19,734.54 = 6,229.50 : x
  2. Step 2: Convert to fraction form
    13,159.86/19,734.54 = 6,229.50/x
  3. Step 3: Cross multiply
    13,159.86x = 19,734.54 × 6,229.50
  4. Step 4: Simplify right side
    13,159.86x = 122,936,316.93
  5. Step 5: Solve for x
    x = 122,936,316.93/13,159.86
  6. Step 6: Final answer
    x = 9,341.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.