Home / 16,859.17-23,265.74-9,305.51

Finding the Fourth Proportional to 16,859.17, 23,265.74 and 9,305.51

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Solution

The fourth proportional to 16,859.17, 23,265.74 and 9,305.51 is: 12,841.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,859.17 : 23,265.74 = 9,305.51 : x
  2. Step 2: Convert to fraction form
    16,859.17/23,265.74 = 9,305.51/x
  3. Step 3: Cross multiply
    16,859.17x = 23,265.74 × 9,305.51
  4. Step 4: Simplify right side
    16,859.17x = 216,499,529.70
  5. Step 5: Solve for x
    x = 216,499,529.70/16,859.17
  6. Step 6: Final answer
    x = 12,841.65

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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.