Home / 14,942.53-20,612.08-9,343.81

Finding the Fourth Proportional to 14,942.53, 20,612.08 and 9,343.81

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Solution

The fourth proportional to 14,942.53, 20,612.08 and 9,343.81 is: 12,889.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,942.53 : 20,612.08 = 9,343.81 : x
  2. Step 2: Convert to fraction form
    14,942.53/20,612.08 = 9,343.81/x
  3. Step 3: Cross multiply
    14,942.53x = 20,612.08 × 9,343.81
  4. Step 4: Simplify right side
    14,942.53x = 192,595,359.22
  5. Step 5: Solve for x
    x = 192,595,359.22/14,942.53
  6. Step 6: Final answer
    x = 12,889.07

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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.