Home / 14,242.02-19,654.29-7,954.80

Finding the Fourth Proportional to 14,242.02, 19,654.29 and 7,954.80

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Solution

The fourth proportional to 14,242.02, 19,654.29 and 7,954.80 is: 10,977.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,242.02 : 19,654.29 = 7,954.80 : x
  2. Step 2: Convert to fraction form
    14,242.02/19,654.29 = 7,954.80/x
  3. Step 3: Cross multiply
    14,242.02x = 19,654.29 × 7,954.80
  4. Step 4: Simplify right side
    14,242.02x = 156,345,946.09
  5. Step 5: Solve for x
    x = 156,345,946.09/14,242.02
  6. Step 6: Final answer
    x = 10,977.79

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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.