Home / 12,925.80-19,355.76-8,529.84

Finding the Fourth Proportional to 12,925.80, 19,355.76 and 8,529.84

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Solution

The fourth proportional to 12,925.80, 19,355.76 and 8,529.84 is: 12,773.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,925.80 : 19,355.76 = 8,529.84 : x
  2. Step 2: Convert to fraction form
    12,925.80/19,355.76 = 8,529.84/x
  3. Step 3: Cross multiply
    12,925.80x = 19,355.76 × 8,529.84
  4. Step 4: Simplify right side
    12,925.80x = 165,101,535.88
  5. Step 5: Solve for x
    x = 165,101,535.88/12,925.80
  6. Step 6: Final answer
    x = 12,773.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.