Home / 14,013.86-21,017.20-4,150.83

Finding the Fourth Proportional to 14,013.86, 21,017.20 and 4,150.83

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Solution

The fourth proportional to 14,013.86, 21,017.20 and 4,150.83 is: 6,225.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,013.86 : 21,017.20 = 4,150.83 : x
  2. Step 2: Convert to fraction form
    14,013.86/21,017.20 = 4,150.83/x
  3. Step 3: Cross multiply
    14,013.86x = 21,017.20 × 4,150.83
  4. Step 4: Simplify right side
    14,013.86x = 87,238,750.65
  5. Step 5: Solve for x
    x = 87,238,750.65/14,013.86
  6. Step 6: Final answer
    x = 6,225.18

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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.