Home / 14,922.72-20,596.80-8,957.76

Finding the Fourth Proportional to 14,922.72, 20,596.80 and 8,957.76

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Solution

The fourth proportional to 14,922.72, 20,596.80 and 8,957.76 is: 12,363.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,922.72 : 20,596.80 = 8,957.76 : x
  2. Step 2: Convert to fraction form
    14,922.72/20,596.80 = 8,957.76/x
  3. Step 3: Cross multiply
    14,922.72x = 20,596.80 × 8,957.76
  4. Step 4: Simplify right side
    14,922.72x = 184,501,191.17
  5. Step 5: Solve for x
    x = 184,501,191.17/14,922.72
  6. Step 6: Final answer
    x = 12,363.78

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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.