Home / 22,237.68-30,687.32-13,283.16

Finding the Fourth Proportional to 22,237.68, 30,687.32 and 13,283.16

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Solution

The fourth proportional to 22,237.68, 30,687.32 and 13,283.16 is: 18,330.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,237.68 : 30,687.32 = 13,283.16 : x
  2. Step 2: Convert to fraction form
    22,237.68/30,687.32 = 13,283.16/x
  3. Step 3: Cross multiply
    22,237.68x = 30,687.32 × 13,283.16
  4. Step 4: Simplify right side
    22,237.68x = 407,624,581.53
  5. Step 5: Solve for x
    x = 407,624,581.53/22,237.68
  6. Step 6: Final answer
    x = 18,330.36

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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.