Home / 14,529.24-20,049.48-8,155.35

Finding the Fourth Proportional to 14,529.24, 20,049.48 and 8,155.35

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Solution

The fourth proportional to 14,529.24, 20,049.48 and 8,155.35 is: 11,253.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,529.24 : 20,049.48 = 8,155.35 : x
  2. Step 2: Convert to fraction form
    14,529.24/20,049.48 = 8,155.35/x
  3. Step 3: Cross multiply
    14,529.24x = 20,049.48 × 8,155.35
  4. Step 4: Simplify right side
    14,529.24x = 163,510,526.72
  5. Step 5: Solve for x
    x = 163,510,526.72/14,529.24
  6. Step 6: Final answer
    x = 11,253.89

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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.