Home / 22,495.05-31,049.18-12,935.99

Finding the Fourth Proportional to 22,495.05, 31,049.18 and 12,935.99

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Solution

The fourth proportional to 22,495.05, 31,049.18 and 12,935.99 is: 17,855.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,495.05 : 31,049.18 = 12,935.99 : x
  2. Step 2: Convert to fraction form
    22,495.05/31,049.18 = 12,935.99/x
  3. Step 3: Cross multiply
    22,495.05x = 31,049.18 × 12,935.99
  4. Step 4: Simplify right side
    22,495.05x = 401,651,710.57
  5. Step 5: Solve for x
    x = 401,651,710.57/22,495.05
  6. Step 6: Final answer
    x = 17,855.11

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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.