Home / 22,816.53-31,258.08-21,963.66

Finding the Fourth Proportional to 22,816.53, 31,258.08 and 21,963.66

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Solution

The fourth proportional to 22,816.53, 31,258.08 and 21,963.66 is: 30,089.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,816.53 : 31,258.08 = 21,963.66 : x
  2. Step 2: Convert to fraction form
    22,816.53/31,258.08 = 21,963.66/x
  3. Step 3: Cross multiply
    22,816.53x = 31,258.08 × 21,963.66
  4. Step 4: Simplify right side
    22,816.53x = 686,541,841.37
  5. Step 5: Solve for x
    x = 686,541,841.37/22,816.53
  6. Step 6: Final answer
    x = 30,089.67

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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 (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.