Home / 29,365.12-40,557.51-19,338.38

Finding the Fourth Proportional to 29,365.12, 40,557.51 and 19,338.38

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Solution

The fourth proportional to 29,365.12, 40,557.51 and 19,338.38 is: 26,709.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,365.12 : 40,557.51 = 19,338.38 : x
  2. Step 2: Convert to fraction form
    29,365.12/40,557.51 = 19,338.38/x
  3. Step 3: Cross multiply
    29,365.12x = 40,557.51 × 19,338.38
  4. Step 4: Simplify right side
    29,365.12x = 784,316,489.54
  5. Step 5: Solve for x
    x = 784,316,489.54/29,365.12
  6. Step 6: Final answer
    x = 26,709.12

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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.