Home / 19,114.72-28,651.80-10,224.64

Finding the Fourth Proportional to 19,114.72, 28,651.80 and 10,224.64

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Solution

The fourth proportional to 19,114.72, 28,651.80 and 10,224.64 is: 15,326.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,114.72 : 28,651.80 = 10,224.64 : x
  2. Step 2: Convert to fraction form
    19,114.72/28,651.80 = 10,224.64/x
  3. Step 3: Cross multiply
    19,114.72x = 28,651.80 × 10,224.64
  4. Step 4: Simplify right side
    19,114.72x = 292,954,340.35
  5. Step 5: Solve for x
    x = 292,954,340.35/19,114.72
  6. Step 6: Final answer
    x = 15,326.11

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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.