Home / 26,542.86-39,823.83-13,385.32

Finding the Fourth Proportional to 26,542.86, 39,823.83 and 13,385.32

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Solution

The fourth proportional to 26,542.86, 39,823.83 and 13,385.32 is: 20,082.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,542.86 : 39,823.83 = 13,385.32 : x
  2. Step 2: Convert to fraction form
    26,542.86/39,823.83 = 13,385.32/x
  3. Step 3: Cross multiply
    26,542.86x = 39,823.83 × 13,385.32
  4. Step 4: Simplify right side
    26,542.86x = 533,054,708.18
  5. Step 5: Solve for x
    x = 533,054,708.18/26,542.86
  6. Step 6: Final answer
    x = 20,082.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.