Home / 19,430.54-29,123.76-17,086.01

Finding the Fourth Proportional to 19,430.54, 29,123.76 and 17,086.01

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Solution

The fourth proportional to 19,430.54, 29,123.76 and 17,086.01 is: 25,609.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,430.54 : 29,123.76 = 17,086.01 : x
  2. Step 2: Convert to fraction form
    19,430.54/29,123.76 = 17,086.01/x
  3. Step 3: Cross multiply
    19,430.54x = 29,123.76 × 17,086.01
  4. Step 4: Simplify right side
    19,430.54x = 497,608,854.60
  5. Step 5: Solve for x
    x = 497,608,854.60/19,430.54
  6. Step 6: Final answer
    x = 25,609.63

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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.