Home / 15,975.44-22,040.88-9,685.52

Finding the Fourth Proportional to 15,975.44, 22,040.88 and 9,685.52

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Solution

The fourth proportional to 15,975.44, 22,040.88 and 9,685.52 is: 13,362.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,975.44 : 22,040.88 = 9,685.52 : x
  2. Step 2: Convert to fraction form
    15,975.44/22,040.88 = 9,685.52/x
  3. Step 3: Cross multiply
    15,975.44x = 22,040.88 × 9,685.52
  4. Step 4: Simplify right side
    15,975.44x = 213,477,384.06
  5. Step 5: Solve for x
    x = 213,477,384.06/15,975.44
  6. Step 6: Final answer
    x = 13,362.85

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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.