Home / 26,320.86-36,311.12-15,704.32

Finding the Fourth Proportional to 26,320.86, 36,311.12 and 15,704.32

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Solution

The fourth proportional to 26,320.86, 36,311.12 and 15,704.32 is: 21,665.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,320.86 : 36,311.12 = 15,704.32 : x
  2. Step 2: Convert to fraction form
    26,320.86/36,311.12 = 15,704.32/x
  3. Step 3: Cross multiply
    26,320.86x = 36,311.12 × 15,704.32
  4. Step 4: Simplify right side
    26,320.86x = 570,241,448.04
  5. Step 5: Solve for x
    x = 570,241,448.04/26,320.86
  6. Step 6: Final answer
    x = 21,665.00

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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.