Home / 19,585.08-27,039.96-15,100.56

Finding the Fourth Proportional to 19,585.08, 27,039.96 and 15,100.56

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Solution

The fourth proportional to 19,585.08, 27,039.96 and 15,100.56 is: 20,848.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,585.08 : 27,039.96 = 15,100.56 : x
  2. Step 2: Convert to fraction form
    19,585.08/27,039.96 = 15,100.56/x
  3. Step 3: Cross multiply
    19,585.08x = 27,039.96 × 15,100.56
  4. Step 4: Simplify right side
    19,585.08x = 408,318,538.38
  5. Step 5: Solve for x
    x = 408,318,538.38/19,585.08
  6. Step 6: Final answer
    x = 20,848.45

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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.