Home / 14,051.39-21,087.09-6,657.48

Finding the Fourth Proportional to 14,051.39, 21,087.09 and 6,657.48

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Solution

The fourth proportional to 14,051.39, 21,087.09 and 6,657.48 is: 9,990.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,051.39 : 21,087.09 = 6,657.48 : x
  2. Step 2: Convert to fraction form
    14,051.39/21,087.09 = 6,657.48/x
  3. Step 3: Cross multiply
    14,051.39x = 21,087.09 × 6,657.48
  4. Step 4: Simplify right side
    14,051.39x = 140,386,879.93
  5. Step 5: Solve for x
    x = 140,386,879.93/14,051.39
  6. Step 6: Final answer
    x = 9,990.96

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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.