Home / 16,315.66-22,516.50-9,243.46

Finding the Fourth Proportional to 16,315.66, 22,516.50 and 9,243.46

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Solution

The fourth proportional to 16,315.66, 22,516.50 and 9,243.46 is: 12,756.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,315.66 : 22,516.50 = 9,243.46 : x
  2. Step 2: Convert to fraction form
    16,315.66/22,516.50 = 9,243.46/x
  3. Step 3: Cross multiply
    16,315.66x = 22,516.50 × 9,243.46
  4. Step 4: Simplify right side
    16,315.66x = 208,130,367.09
  5. Step 5: Solve for x
    x = 208,130,367.09/16,315.66
  6. Step 6: Final answer
    x = 12,756.48

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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.