Home / 19,039.90-28,550.97-10,153.02

Finding the Fourth Proportional to 19,039.90, 28,550.97 and 10,153.02

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Solution

The fourth proportional to 19,039.90, 28,550.97 and 10,153.02 is: 15,224.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,039.90 : 28,550.97 = 10,153.02 : x
  2. Step 2: Convert to fraction form
    19,039.90/28,550.97 = 10,153.02/x
  3. Step 3: Cross multiply
    19,039.90x = 28,550.97 × 10,153.02
  4. Step 4: Simplify right side
    19,039.90x = 289,878,569.43
  5. Step 5: Solve for x
    x = 289,878,569.43/19,039.90
  6. Step 6: Final answer
    x = 15,224.79

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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.