Home / 27,312.27-40,968.13-12,516.99

Finding the Fourth Proportional to 27,312.27, 40,968.13 and 12,516.99

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Solution

The fourth proportional to 27,312.27, 40,968.13 and 12,516.99 is: 18,775.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,312.27 : 40,968.13 = 12,516.99 : x
  2. Step 2: Convert to fraction form
    27,312.27/40,968.13 = 12,516.99/x
  3. Step 3: Cross multiply
    27,312.27x = 40,968.13 × 12,516.99
  4. Step 4: Simplify right side
    27,312.27x = 512,797,673.53
  5. Step 5: Solve for x
    x = 512,797,673.53/27,312.27
  6. Step 6: Final answer
    x = 18,775.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.