Home / 19,015.46-28,535.46-10,256.48

Finding the Fourth Proportional to 19,015.46, 28,535.46 and 10,256.48

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Solution

The fourth proportional to 19,015.46, 28,535.46 and 10,256.48 is: 15,391.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,015.46 : 28,535.46 = 10,256.48 : x
  2. Step 2: Convert to fraction form
    19,015.46/28,535.46 = 10,256.48/x
  3. Step 3: Cross multiply
    19,015.46x = 28,535.46 × 10,256.48
  4. Step 4: Simplify right side
    19,015.46x = 292,673,374.78
  5. Step 5: Solve for x
    x = 292,673,374.78/19,015.46
  6. Step 6: Final answer
    x = 15,391.34

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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.