Home / 14,938.34-20,615.49-8,224.59

Finding the Fourth Proportional to 14,938.34, 20,615.49 and 8,224.59

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Solution

The fourth proportional to 14,938.34, 20,615.49 and 8,224.59 is: 11,350.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,938.34 : 20,615.49 = 8,224.59 : x
  2. Step 2: Convert to fraction form
    14,938.34/20,615.49 = 8,224.59/x
  3. Step 3: Cross multiply
    14,938.34x = 20,615.49 × 8,224.59
  4. Step 4: Simplify right side
    14,938.34x = 169,553,952.90
  5. Step 5: Solve for x
    x = 169,553,952.90/14,938.34
  6. Step 6: Final answer
    x = 11,350.25

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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.