Home / 22,237.91-30,683.29-13,283.66

Finding the Fourth Proportional to 22,237.91, 30,683.29 and 13,283.66

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Solution

The fourth proportional to 22,237.91, 30,683.29 and 13,283.66 is: 18,328.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,237.91 : 30,683.29 = 13,283.66 : x
  2. Step 2: Convert to fraction form
    22,237.91/30,683.29 = 13,283.66/x
  3. Step 3: Cross multiply
    22,237.91x = 30,683.29 × 13,283.66
  4. Step 4: Simplify right side
    22,237.91x = 407,586,172.21
  5. Step 5: Solve for x
    x = 407,586,172.21/22,237.91
  6. Step 6: Final answer
    x = 18,328.44

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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.