Home / 26,720.66-36,874.36-14,783.28

Finding the Fourth Proportional to 26,720.66, 36,874.36 and 14,783.28

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Solution

The fourth proportional to 26,720.66, 36,874.36 and 14,783.28 is: 20,400.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,720.66 : 36,874.36 = 14,783.28 : x
  2. Step 2: Convert to fraction form
    26,720.66/36,874.36 = 14,783.28/x
  3. Step 3: Cross multiply
    26,720.66x = 36,874.36 × 14,783.28
  4. Step 4: Simplify right side
    26,720.66x = 545,123,988.70
  5. Step 5: Solve for x
    x = 545,123,988.70/26,720.66
  6. Step 6: Final answer
    x = 20,400.84

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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.