Home / 19,341.10-29,015.70-7,654.42

Finding the Fourth Proportional to 19,341.10, 29,015.70 and 7,654.42

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Solution

The fourth proportional to 19,341.10, 29,015.70 and 7,654.42 is: 11,483.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,341.10 : 29,015.70 = 7,654.42 : x
  2. Step 2: Convert to fraction form
    19,341.10/29,015.70 = 7,654.42/x
  3. Step 3: Cross multiply
    19,341.10x = 29,015.70 × 7,654.42
  4. Step 4: Simplify right side
    19,341.10x = 222,098,354.39
  5. Step 5: Solve for x
    x = 222,098,354.39/19,341.10
  6. Step 6: Final answer
    x = 11,483.23

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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.