Home / 14,585.38-20,117.08-11,000.49

Finding the Fourth Proportional to 14,585.38, 20,117.08 and 11,000.49

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Solution

The fourth proportional to 14,585.38, 20,117.08 and 11,000.49 is: 15,172.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,585.38 : 20,117.08 = 11,000.49 : x
  2. Step 2: Convert to fraction form
    14,585.38/20,117.08 = 11,000.49/x
  3. Step 3: Cross multiply
    14,585.38x = 20,117.08 × 11,000.49
  4. Step 4: Simplify right side
    14,585.38x = 221,297,737.37
  5. Step 5: Solve for x
    x = 221,297,737.37/14,585.38
  6. Step 6: Final answer
    x = 15,172.57

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Half scale
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Double scale
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Similar ratio
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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.