Home / 14,968.24-20,655.81-8,253.73

Finding the Fourth Proportional to 14,968.24, 20,655.81 and 8,253.73

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Solution

The fourth proportional to 14,968.24, 20,655.81 and 8,253.73 is: 11,389.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,968.24 : 20,655.81 = 8,253.73 : x
  2. Step 2: Convert to fraction form
    14,968.24/20,655.81 = 8,253.73/x
  3. Step 3: Cross multiply
    14,968.24x = 20,655.81 × 8,253.73
  4. Step 4: Simplify right side
    14,968.24x = 170,487,478.67
  5. Step 5: Solve for x
    x = 170,487,478.67/14,968.24
  6. Step 6: Final answer
    x = 11,389.95

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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.