Home / 14,149.04-19,525.62-7,861.41

Finding the Fourth Proportional to 14,149.04, 19,525.62 and 7,861.41

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Solution

The fourth proportional to 14,149.04, 19,525.62 and 7,861.41 is: 10,848.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.04 : 19,525.62 = 7,861.41 : x
  2. Step 2: Convert to fraction form
    14,149.04/19,525.62 = 7,861.41/x
  3. Step 3: Cross multiply
    14,149.04x = 19,525.62 × 7,861.41
  4. Step 4: Simplify right side
    14,149.04x = 153,498,933.80
  5. Step 5: Solve for x
    x = 153,498,933.80/14,149.04
  6. Step 6: Final answer
    x = 10,848.72

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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.