Home / 18,500.04-25,520.58-12,529.62

Finding the Fourth Proportional to 18,500.04, 25,520.58 and 12,529.62

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Solution

The fourth proportional to 18,500.04, 25,520.58 and 12,529.62 is: 17,284.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500.04 : 25,520.58 = 12,529.62 : x
  2. Step 2: Convert to fraction form
    18,500.04/25,520.58 = 12,529.62/x
  3. Step 3: Cross multiply
    18,500.04x = 25,520.58 × 12,529.62
  4. Step 4: Simplify right side
    18,500.04x = 319,763,169.58
  5. Step 5: Solve for x
    x = 319,763,169.58/18,500.04
  6. Step 6: Final answer
    x = 17,284.46

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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.