Home / 16,240.32-22,407.84-9,525.60

Finding the Fourth Proportional to 16,240.32, 22,407.84 and 9,525.60

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Solution

The fourth proportional to 16,240.32, 22,407.84 and 9,525.60 is: 13,143.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,240.32 : 22,407.84 = 9,525.60 : x
  2. Step 2: Convert to fraction form
    16,240.32/22,407.84 = 9,525.60/x
  3. Step 3: Cross multiply
    16,240.32x = 22,407.84 × 9,525.60
  4. Step 4: Simplify right side
    16,240.32x = 213,448,120.70
  5. Step 5: Solve for x
    x = 213,448,120.70/16,240.32
  6. Step 6: Final answer
    x = 13,143.10

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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.