Home / 19,009.10-26,196.27-16,520.78

Finding the Fourth Proportional to 19,009.10, 26,196.27 and 16,520.78

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Solution

The fourth proportional to 19,009.10, 26,196.27 and 16,520.78 is: 22,767.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009.10 : 26,196.27 = 16,520.78 : x
  2. Step 2: Convert to fraction form
    19,009.10/26,196.27 = 16,520.78/x
  3. Step 3: Cross multiply
    19,009.10x = 26,196.27 × 16,520.78
  4. Step 4: Simplify right side
    19,009.10x = 432,782,813.49
  5. Step 5: Solve for x
    x = 432,782,813.49/19,009.10
  6. Step 6: Final answer
    x = 22,767.14

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Half scale
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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.