Home / 14,950.45-20,631.53-8,235.92

Finding the Fourth Proportional to 14,950.45, 20,631.53 and 8,235.92

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Solution

The fourth proportional to 14,950.45, 20,631.53 and 8,235.92 is: 11,365.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,950.45 : 20,631.53 = 8,235.92 : x
  2. Step 2: Convert to fraction form
    14,950.45/20,631.53 = 8,235.92/x
  3. Step 3: Cross multiply
    14,950.45x = 20,631.53 × 8,235.92
  4. Step 4: Simplify right side
    14,950.45x = 169,919,656.40
  5. Step 5: Solve for x
    x = 169,919,656.40/14,950.45
  6. Step 6: Final answer
    x = 11,365.52

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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.