Home / 14,131.86-19,503.66-7,844.64

Finding the Fourth Proportional to 14,131.86, 19,503.66 and 7,844.64

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Solution

The fourth proportional to 14,131.86, 19,503.66 and 7,844.64 is: 10,826.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,131.86 : 19,503.66 = 7,844.64 : x
  2. Step 2: Convert to fraction form
    14,131.86/19,503.66 = 7,844.64/x
  3. Step 3: Cross multiply
    14,131.86x = 19,503.66 × 7,844.64
  4. Step 4: Simplify right side
    14,131.86x = 152,999,191.38
  5. Step 5: Solve for x
    x = 152,999,191.38/14,131.86
  6. Step 6: Final answer
    x = 10,826.54

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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.