Home / 19,261.09-28,888.69-6,111.75

Finding the Fourth Proportional to 19,261.09, 28,888.69 and 6,111.75

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Solution

The fourth proportional to 19,261.09, 28,888.69 and 6,111.75 is: 9,166.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,261.09 : 28,888.69 = 6,111.75 : x
  2. Step 2: Convert to fraction form
    19,261.09/28,888.69 = 6,111.75/x
  3. Step 3: Cross multiply
    19,261.09x = 28,888.69 × 6,111.75
  4. Step 4: Simplify right side
    19,261.09x = 176,560,451.11
  5. Step 5: Solve for x
    x = 176,560,451.11/19,261.09
  6. Step 6: Final answer
    x = 9,166.69

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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.