Home / 14,712.39-20,297.93-8,338.23

Finding the Fourth Proportional to 14,712.39, 20,297.93 and 8,338.23

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Solution

The fourth proportional to 14,712.39, 20,297.93 and 8,338.23 is: 11,503.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,712.39 : 20,297.93 = 8,338.23 : x
  2. Step 2: Convert to fraction form
    14,712.39/20,297.93 = 8,338.23/x
  3. Step 3: Cross multiply
    14,712.39x = 20,297.93 × 8,338.23
  4. Step 4: Simplify right side
    14,712.39x = 169,248,767.17
  5. Step 5: Solve for x
    x = 169,248,767.17/14,712.39
  6. Step 6: Final answer
    x = 11,503.83

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Half scale
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Double scale
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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.