Home / 22,683.54-31,296.06-13,728.18

Finding the Fourth Proportional to 22,683.54, 31,296.06 and 13,728.18

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Solution

The fourth proportional to 22,683.54, 31,296.06 and 13,728.18 is: 18,940.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,683.54 : 31,296.06 = 13,728.18 : x
  2. Step 2: Convert to fraction form
    22,683.54/31,296.06 = 13,728.18/x
  3. Step 3: Cross multiply
    22,683.54x = 31,296.06 × 13,728.18
  4. Step 4: Simplify right side
    22,683.54x = 429,637,944.97
  5. Step 5: Solve for x
    x = 429,637,944.97/22,683.54
  6. Step 6: Final answer
    x = 18,940.52

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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.