Home / 13,953.61-20,917.77-5,066.86

Finding the Fourth Proportional to 13,953.61, 20,917.77 and 5,066.86

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Solution

The fourth proportional to 13,953.61, 20,917.77 and 5,066.86 is: 7,595.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,953.61 : 20,917.77 = 5,066.86 : x
  2. Step 2: Convert to fraction form
    13,953.61/20,917.77 = 5,066.86/x
  3. Step 3: Cross multiply
    13,953.61x = 20,917.77 × 5,066.86
  4. Step 4: Simplify right side
    13,953.61x = 105,987,412.10
  5. Step 5: Solve for x
    x = 105,987,412.10/13,953.61
  6. Step 6: Final answer
    x = 7,595.70

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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.