Home / 26,720.12-36,873.60-14,783.24

Finding the Fourth Proportional to 26,720.12, 36,873.60 and 14,783.24

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Solution

The fourth proportional to 26,720.12, 36,873.60 and 14,783.24 is: 20,400.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,720.12 : 36,873.60 = 14,783.24 : x
  2. Step 2: Convert to fraction form
    26,720.12/36,873.60 = 14,783.24/x
  3. Step 3: Cross multiply
    26,720.12x = 36,873.60 × 14,783.24
  4. Step 4: Simplify right side
    26,720.12x = 545,111,278.46
  5. Step 5: Solve for x
    x = 545,111,278.46/26,720.12
  6. Step 6: Final answer
    x = 20,400.78

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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.