Home / 19,114.09-28,619.75-15,589.56

Finding the Fourth Proportional to 19,114.09, 28,619.75 and 15,589.56

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Solution

The fourth proportional to 19,114.09, 28,619.75 and 15,589.56 is: 23,342.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,114.09 : 28,619.75 = 15,589.56 : x
  2. Step 2: Convert to fraction form
    19,114.09/28,619.75 = 15,589.56/x
  3. Step 3: Cross multiply
    19,114.09x = 28,619.75 × 15,589.56
  4. Step 4: Simplify right side
    19,114.09x = 446,169,088.76
  5. Step 5: Solve for x
    x = 446,169,088.76/19,114.09
  6. Step 6: Final answer
    x = 23,342.42

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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.