Home / 19,740.59-29,602.45-11,426.34

Finding the Fourth Proportional to 19,740.59, 29,602.45 and 11,426.34

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Solution

The fourth proportional to 19,740.59, 29,602.45 and 11,426.34 is: 17,134.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,740.59 : 29,602.45 = 11,426.34 : x
  2. Step 2: Convert to fraction form
    19,740.59/29,602.45 = 11,426.34/x
  3. Step 3: Cross multiply
    19,740.59x = 29,602.45 × 11,426.34
  4. Step 4: Simplify right side
    19,740.59x = 338,247,684.50
  5. Step 5: Solve for x
    x = 338,247,684.50/19,740.59
  6. Step 6: Final answer
    x = 17,134.63

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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.