Home / 22,993.49-31,730.97-13,439.94

Finding the Fourth Proportional to 22,993.49, 31,730.97 and 13,439.94

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Solution

The fourth proportional to 22,993.49, 31,730.97 and 13,439.94 is: 18,547.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,993.49 : 31,730.97 = 13,439.94 : x
  2. Step 2: Convert to fraction form
    22,993.49/31,730.97 = 13,439.94/x
  3. Step 3: Cross multiply
    22,993.49x = 31,730.97 × 13,439.94
  4. Step 4: Simplify right side
    22,993.49x = 426,462,332.94
  5. Step 5: Solve for x
    x = 426,462,332.94/22,993.49
  6. Step 6: Final answer
    x = 18,547.09

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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.