Home / 26,343.86-36,354.21-15,165.86

Finding the Fourth Proportional to 26,343.86, 36,354.21 and 15,165.86

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Solution

The fourth proportional to 26,343.86, 36,354.21 and 15,165.86 is: 20,928.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,343.86 : 36,354.21 = 15,165.86 : x
  2. Step 2: Convert to fraction form
    26,343.86/36,354.21 = 15,165.86/x
  3. Step 3: Cross multiply
    26,343.86x = 36,354.21 × 15,165.86
  4. Step 4: Simplify right side
    26,343.86x = 551,342,859.27
  5. Step 5: Solve for x
    x = 551,342,859.27/26,343.86
  6. Step 6: Final answer
    x = 20,928.70

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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.