Home / 15,905.52-21,959.60-10,250.16

Finding the Fourth Proportional to 15,905.52, 21,959.60 and 10,250.16

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Solution

The fourth proportional to 15,905.52, 21,959.60 and 10,250.16 is: 14,151.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,905.52 : 21,959.60 = 10,250.16 : x
  2. Step 2: Convert to fraction form
    15,905.52/21,959.60 = 10,250.16/x
  3. Step 3: Cross multiply
    15,905.52x = 21,959.60 × 10,250.16
  4. Step 4: Simplify right side
    15,905.52x = 225,089,413.54
  5. Step 5: Solve for x
    x = 225,089,413.54/15,905.52
  6. Step 6: Final answer
    x = 14,151.65

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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.