Home / 22,224.79-30,671.09-13,270.24

Finding the Fourth Proportional to 22,224.79, 30,671.09 and 13,270.24

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Solution

The fourth proportional to 22,224.79, 30,671.09 and 13,270.24 is: 18,313.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,224.79 : 30,671.09 = 13,270.24 : x
  2. Step 2: Convert to fraction form
    22,224.79/30,671.09 = 13,270.24/x
  3. Step 3: Cross multiply
    22,224.79x = 30,671.09 × 13,270.24
  4. Step 4: Simplify right side
    22,224.79x = 407,012,725.36
  5. Step 5: Solve for x
    x = 407,012,725.36/22,224.79
  6. Step 6: Final answer
    x = 18,313.46

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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.