Home / 16,968.60-23,419.08-10,255.20

Finding the Fourth Proportional to 16,968.60, 23,419.08 and 10,255.20

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Solution

The fourth proportional to 16,968.60, 23,419.08 and 10,255.20 is: 14,153.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,968.60 : 23,419.08 = 10,255.20 : x
  2. Step 2: Convert to fraction form
    16,968.60/23,419.08 = 10,255.20/x
  3. Step 3: Cross multiply
    16,968.60x = 23,419.08 × 10,255.20
  4. Step 4: Simplify right side
    16,968.60x = 240,167,349.22
  5. Step 5: Solve for x
    x = 240,167,349.22/16,968.60
  6. Step 6: Final answer
    x = 14,153.63

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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.