Home / 14,968.89-20,655.17-9,304.56

Finding the Fourth Proportional to 14,968.89, 20,655.17 and 9,304.56

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Solution

The fourth proportional to 14,968.89, 20,655.17 and 9,304.56 is: 12,839.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,968.89 : 20,655.17 = 9,304.56 : x
  2. Step 2: Convert to fraction form
    14,968.89/20,655.17 = 9,304.56/x
  3. Step 3: Cross multiply
    14,968.89x = 20,655.17 × 9,304.56
  4. Step 4: Simplify right side
    14,968.89x = 192,187,256.94
  5. Step 5: Solve for x
    x = 192,187,256.94/14,968.89
  6. Step 6: Final answer
    x = 12,839.11

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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.