Home / 18,965.33-26,172.14-10,581.83

Finding the Fourth Proportional to 18,965.33, 26,172.14 and 10,581.83

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Solution

The fourth proportional to 18,965.33, 26,172.14 and 10,581.83 is: 14,602.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,965.33 : 26,172.14 = 10,581.83 : x
  2. Step 2: Convert to fraction form
    18,965.33/26,172.14 = 10,581.83/x
  3. Step 3: Cross multiply
    18,965.33x = 26,172.14 × 10,581.83
  4. Step 4: Simplify right side
    18,965.33x = 276,949,228.10
  5. Step 5: Solve for x
    x = 276,949,228.10/18,965.33
  6. Step 6: Final answer
    x = 14,602.92

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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.