Home / 13,345.86-20,021.12-5,950.16

Finding the Fourth Proportional to 13,345.86, 20,021.12 and 5,950.16

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Solution

The fourth proportional to 13,345.86, 20,021.12 and 5,950.16 is: 8,926.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,345.86 : 20,021.12 = 5,950.16 : x
  2. Step 2: Convert to fraction form
    13,345.86/20,021.12 = 5,950.16/x
  3. Step 3: Cross multiply
    13,345.86x = 20,021.12 × 5,950.16
  4. Step 4: Simplify right side
    13,345.86x = 119,128,737.52
  5. Step 5: Solve for x
    x = 119,128,737.52/13,345.86
  6. Step 6: Final answer
    x = 8,926.27

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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.