Home / 13,733.06-18,953.28-8,958.10

Finding the Fourth Proportional to 13,733.06, 18,953.28 and 8,958.10

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Solution

The fourth proportional to 13,733.06, 18,953.28 and 8,958.10 is: 12,363.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,733.06 : 18,953.28 = 8,958.10 : x
  2. Step 2: Convert to fraction form
    13,733.06/18,953.28 = 8,958.10/x
  3. Step 3: Cross multiply
    13,733.06x = 18,953.28 × 8,958.10
  4. Step 4: Simplify right side
    13,733.06x = 169,785,377.57
  5. Step 5: Solve for x
    x = 169,785,377.57/13,733.06
  6. Step 6: Final answer
    x = 12,363.26

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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.