Home / 18,965.07-26,172.62-10,581.57

Finding the Fourth Proportional to 18,965.07, 26,172.62 and 10,581.57

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Solution

The fourth proportional to 18,965.07, 26,172.62 and 10,581.57 is: 14,603.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,965.07 : 26,172.62 = 10,581.57 : x
  2. Step 2: Convert to fraction form
    18,965.07/26,172.62 = 10,581.57/x
  3. Step 3: Cross multiply
    18,965.07x = 26,172.62 × 10,581.57
  4. Step 4: Simplify right side
    18,965.07x = 276,947,357.71
  5. Step 5: Solve for x
    x = 276,947,357.71/18,965.07
  6. Step 6: Final answer
    x = 14,603.02

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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.