Home / 26,103.79-36,021.07-14,772.70

Finding the Fourth Proportional to 26,103.79, 36,021.07 and 14,772.70

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Solution

The fourth proportional to 26,103.79, 36,021.07 and 14,772.70 is: 20,385.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,103.79 : 36,021.07 = 14,772.70 : x
  2. Step 2: Convert to fraction form
    26,103.79/36,021.07 = 14,772.70/x
  3. Step 3: Cross multiply
    26,103.79x = 36,021.07 × 14,772.70
  4. Step 4: Simplify right side
    26,103.79x = 532,128,460.79
  5. Step 5: Solve for x
    x = 532,128,460.79/26,103.79
  6. Step 6: Final answer
    x = 20,385.10

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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.