Home / 18,900.22-26,082.32-10,516.72

Finding the Fourth Proportional to 18,900.22, 26,082.32 and 10,516.72

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Solution

The fourth proportional to 18,900.22, 26,082.32 and 10,516.72 is: 14,513.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,900.22 : 26,082.32 = 10,516.72 : x
  2. Step 2: Convert to fraction form
    18,900.22/26,082.32 = 10,516.72/x
  3. Step 3: Cross multiply
    18,900.22x = 26,082.32 × 10,516.72
  4. Step 4: Simplify right side
    18,900.22x = 274,300,456.39
  5. Step 5: Solve for x
    x = 274,300,456.39/18,900.22
  6. Step 6: Final answer
    x = 14,513.08

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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.