Home / 19,572.78-26,996.36-13,525.14

Finding the Fourth Proportional to 19,572.78, 26,996.36 and 13,525.14

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Solution

The fourth proportional to 19,572.78, 26,996.36 and 13,525.14 is: 18,654.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,572.78 : 26,996.36 = 13,525.14 : x
  2. Step 2: Convert to fraction form
    19,572.78/26,996.36 = 13,525.14/x
  3. Step 3: Cross multiply
    19,572.78x = 26,996.36 × 13,525.14
  4. Step 4: Simplify right side
    19,572.78x = 365,129,548.49
  5. Step 5: Solve for x
    x = 365,129,548.49/19,572.78
  6. Step 6: Final answer
    x = 18,654.97

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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.