Home / 14,900.40-20,561.27-8,525.70

Finding the Fourth Proportional to 14,900.40, 20,561.27 and 8,525.70

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Solution

The fourth proportional to 14,900.40, 20,561.27 and 8,525.70 is: 11,764.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,900.40 : 20,561.27 = 8,525.70 : x
  2. Step 2: Convert to fraction form
    14,900.40/20,561.27 = 8,525.70/x
  3. Step 3: Cross multiply
    14,900.40x = 20,561.27 × 8,525.70
  4. Step 4: Simplify right side
    14,900.40x = 175,299,177.01
  5. Step 5: Solve for x
    x = 175,299,177.01/14,900.40
  6. Step 6: Final answer
    x = 11,764.73

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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.