Home / 19,412.08-29,038.20-17,756.56

Finding the Fourth Proportional to 19,412.08, 29,038.20 and 17,756.56

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Solution

The fourth proportional to 19,412.08, 29,038.20 and 17,756.56 is: 26,561.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412.08 : 29,038.20 = 17,756.56 : x
  2. Step 2: Convert to fraction form
    19,412.08/29,038.20 = 17,756.56/x
  3. Step 3: Cross multiply
    19,412.08x = 29,038.20 × 17,756.56
  4. Step 4: Simplify right side
    19,412.08x = 515,618,540.59
  5. Step 5: Solve for x
    x = 515,618,540.59/19,412.08
  6. Step 6: Final answer
    x = 26,561.74

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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.