Home / 14,148.75-19,525.80-8,484.42

Finding the Fourth Proportional to 14,148.75, 19,525.80 and 8,484.42

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Solution

The fourth proportional to 14,148.75, 19,525.80 and 8,484.42 is: 11,708.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.75 : 19,525.80 = 8,484.42 : x
  2. Step 2: Convert to fraction form
    14,148.75/19,525.80 = 8,484.42/x
  3. Step 3: Cross multiply
    14,148.75x = 19,525.80 × 8,484.42
  4. Step 4: Simplify right side
    14,148.75x = 165,664,947.98
  5. Step 5: Solve for x
    x = 165,664,947.98/14,148.75
  6. Step 6: Final answer
    x = 11,708.81

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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.