Home / 19,520.64-26,939.25-11,024.55

Finding the Fourth Proportional to 19,520.64, 26,939.25 and 11,024.55

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Solution

The fourth proportional to 19,520.64, 26,939.25 and 11,024.55 is: 15,214.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,520.64 : 26,939.25 = 11,024.55 : x
  2. Step 2: Convert to fraction form
    19,520.64/26,939.25 = 11,024.55/x
  3. Step 3: Cross multiply
    19,520.64x = 26,939.25 × 11,024.55
  4. Step 4: Simplify right side
    19,520.64x = 296,993,108.59
  5. Step 5: Solve for x
    x = 296,993,108.59/19,520.64
  6. Step 6: Final answer
    x = 15,214.31

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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.