Home / 18,891.17-26,069.75-10,507.67

Finding the Fourth Proportional to 18,891.17, 26,069.75 and 10,507.67

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Solution

The fourth proportional to 18,891.17, 26,069.75 and 10,507.67 is: 14,500.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,891.17 : 26,069.75 = 10,507.67 : x
  2. Step 2: Convert to fraction form
    18,891.17/26,069.75 = 10,507.67/x
  3. Step 3: Cross multiply
    18,891.17x = 26,069.75 × 10,507.67
  4. Step 4: Simplify right side
    18,891.17x = 273,932,277.44
  5. Step 5: Solve for x
    x = 273,932,277.44/18,891.17
  6. Step 6: Final answer
    x = 14,500.55

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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.