Home / 16,321.48-22,515.64-10,653.60

Finding the Fourth Proportional to 16,321.48, 22,515.64 and 10,653.60

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Solution

The fourth proportional to 16,321.48, 22,515.64 and 10,653.60 is: 14,696.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,321.48 : 22,515.64 = 10,653.60 : x
  2. Step 2: Convert to fraction form
    16,321.48/22,515.64 = 10,653.60/x
  3. Step 3: Cross multiply
    16,321.48x = 22,515.64 × 10,653.60
  4. Step 4: Simplify right side
    16,321.48x = 239,872,622.30
  5. Step 5: Solve for x
    x = 239,872,622.30/16,321.48
  6. Step 6: Final answer
    x = 14,696.74

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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.