Home / 14,525.42-20,045.13-8,237.75

Finding the Fourth Proportional to 14,525.42, 20,045.13 and 8,237.75

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Solution

The fourth proportional to 14,525.42, 20,045.13 and 8,237.75 is: 11,368.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,525.42 : 20,045.13 = 8,237.75 : x
  2. Step 2: Convert to fraction form
    14,525.42/20,045.13 = 8,237.75/x
  3. Step 3: Cross multiply
    14,525.42x = 20,045.13 × 8,237.75
  4. Step 4: Simplify right side
    14,525.42x = 165,126,769.66
  5. Step 5: Solve for x
    x = 165,126,769.66/14,525.42
  6. Step 6: Final answer
    x = 11,368.12

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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.