Home / 16,881.07-25,318.94-10,621.92

Finding the Fourth Proportional to 16,881.07, 25,318.94 and 10,621.92

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Solution

The fourth proportional to 16,881.07, 25,318.94 and 10,621.92 is: 15,931.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,881.07 : 25,318.94 = 10,621.92 : x
  2. Step 2: Convert to fraction form
    16,881.07/25,318.94 = 10,621.92/x
  3. Step 3: Cross multiply
    16,881.07x = 25,318.94 × 10,621.92
  4. Step 4: Simplify right side
    16,881.07x = 268,935,755.16
  5. Step 5: Solve for x
    x = 268,935,755.16/16,881.07
  6. Step 6: Final answer
    x = 15,931.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.