Home / 16,981.51-25,472.16-9,239.53

Finding the Fourth Proportional to 16,981.51, 25,472.16 and 9,239.53

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Solution

The fourth proportional to 16,981.51, 25,472.16 and 9,239.53 is: 13,859.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,981.51 : 25,472.16 = 9,239.53 : x
  2. Step 2: Convert to fraction form
    16,981.51/25,472.16 = 9,239.53/x
  3. Step 3: Cross multiply
    16,981.51x = 25,472.16 × 9,239.53
  4. Step 4: Simplify right side
    16,981.51x = 235,350,786.48
  5. Step 5: Solve for x
    x = 235,350,786.48/16,981.51
  6. Step 6: Final answer
    x = 13,859.24

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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.