Home / 17,127.72-25,686.90-7,266.60

Finding the Fourth Proportional to 17,127.72, 25,686.90 and 7,266.60

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Solution

The fourth proportional to 17,127.72, 25,686.90 and 7,266.60 is: 10,897.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,127.72 : 25,686.90 = 7,266.60 : x
  2. Step 2: Convert to fraction form
    17,127.72/25,686.90 = 7,266.60/x
  3. Step 3: Cross multiply
    17,127.72x = 25,686.90 × 7,266.60
  4. Step 4: Simplify right side
    17,127.72x = 186,656,427.54
  5. Step 5: Solve for x
    x = 186,656,427.54/17,127.72
  6. Step 6: Final answer
    x = 10,897.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.