Home / 16,199.04-22,356.36-9,915.60

Finding the Fourth Proportional to 16,199.04, 22,356.36 and 9,915.60

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Solution

The fourth proportional to 16,199.04, 22,356.36 and 9,915.60 is: 13,684.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,199.04 : 22,356.36 = 9,915.60 : x
  2. Step 2: Convert to fraction form
    16,199.04/22,356.36 = 9,915.60/x
  3. Step 3: Cross multiply
    16,199.04x = 22,356.36 × 9,915.60
  4. Step 4: Simplify right side
    16,199.04x = 221,676,723.22
  5. Step 5: Solve for x
    x = 221,676,723.22/16,199.04
  6. Step 6: Final answer
    x = 13,684.56

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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.