Home / 14,316.13-19,755.60-7,942.66

Finding the Fourth Proportional to 14,316.13, 19,755.60 and 7,942.66

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Solution

The fourth proportional to 14,316.13, 19,755.60 and 7,942.66 is: 10,960.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,316.13 : 19,755.60 = 7,942.66 : x
  2. Step 2: Convert to fraction form
    14,316.13/19,755.60 = 7,942.66/x
  3. Step 3: Cross multiply
    14,316.13x = 19,755.60 × 7,942.66
  4. Step 4: Simplify right side
    14,316.13x = 156,911,919.92
  5. Step 5: Solve for x
    x = 156,911,919.92/14,316.13
  6. Step 6: Final answer
    x = 10,960.50

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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.