Home / 16,981.38-23,431.74-9,527.94

Finding the Fourth Proportional to 16,981.38, 23,431.74 and 9,527.94

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Solution

The fourth proportional to 16,981.38, 23,431.74 and 9,527.94 is: 13,147.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,981.38 : 23,431.74 = 9,527.94 : x
  2. Step 2: Convert to fraction form
    16,981.38/23,431.74 = 9,527.94/x
  3. Step 3: Cross multiply
    16,981.38x = 23,431.74 × 9,527.94
  4. Step 4: Simplify right side
    16,981.38x = 223,256,212.82
  5. Step 5: Solve for x
    x = 223,256,212.82/16,981.38
  6. Step 6: Final answer
    x = 13,147.12

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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.