Home / 15,255.54-22,888.80-9,405.36

Finding the Fourth Proportional to 15,255.54, 22,888.80 and 9,405.36

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Solution

The fourth proportional to 15,255.54, 22,888.80 and 9,405.36 is: 14,111.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,255.54 : 22,888.80 = 9,405.36 : x
  2. Step 2: Convert to fraction form
    15,255.54/22,888.80 = 9,405.36/x
  3. Step 3: Cross multiply
    15,255.54x = 22,888.80 × 9,405.36
  4. Step 4: Simplify right side
    15,255.54x = 215,277,403.97
  5. Step 5: Solve for x
    x = 215,277,403.97/15,255.54
  6. Step 6: Final answer
    x = 14,111.42

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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.