Home / 19,400.09-29,111.06-19,251.86

Finding the Fourth Proportional to 19,400.09, 29,111.06 and 19,251.86

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Solution

The fourth proportional to 19,400.09, 29,111.06 and 19,251.86 is: 28,888.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,400.09 : 29,111.06 = 19,251.86 : x
  2. Step 2: Convert to fraction form
    19,400.09/29,111.06 = 19,251.86/x
  3. Step 3: Cross multiply
    19,400.09x = 29,111.06 × 19,251.86
  4. Step 4: Simplify right side
    19,400.09x = 560,441,954.15
  5. Step 5: Solve for x
    x = 560,441,954.15/19,400.09
  6. Step 6: Final answer
    x = 28,888.63

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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.