Home / 14,824.64-20,474.80-10,100.72

Finding the Fourth Proportional to 14,824.64, 20,474.80 and 10,100.72

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Solution

The fourth proportional to 14,824.64, 20,474.80 and 10,100.72 is: 13,950.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,824.64 : 20,474.80 = 10,100.72 : x
  2. Step 2: Convert to fraction form
    14,824.64/20,474.80 = 10,100.72/x
  3. Step 3: Cross multiply
    14,824.64x = 20,474.80 × 10,100.72
  4. Step 4: Simplify right side
    14,824.64x = 206,810,221.86
  5. Step 5: Solve for x
    x = 206,810,221.86/14,824.64
  6. Step 6: Final answer
    x = 13,950.44

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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.