Home / 27,936.90-41,869.71-13,113.09

Finding the Fourth Proportional to 27,936.90, 41,869.71 and 13,113.09

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Solution

The fourth proportional to 27,936.90, 41,869.71 and 13,113.09 is: 19,652.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,936.90 : 41,869.71 = 13,113.09 : x
  2. Step 2: Convert to fraction form
    27,936.90/41,869.71 = 13,113.09/x
  3. Step 3: Cross multiply
    27,936.90x = 41,869.71 × 13,113.09
  4. Step 4: Simplify right side
    27,936.90x = 549,041,275.50
  5. Step 5: Solve for x
    x = 549,041,275.50/27,936.90
  6. Step 6: Final answer
    x = 19,652.91

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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.