Home / 16,864.64-23,251.57-13,828.58

Finding the Fourth Proportional to 16,864.64, 23,251.57 and 13,828.58

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Solution

The fourth proportional to 16,864.64, 23,251.57 and 13,828.58 is: 19,065.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,864.64 : 23,251.57 = 13,828.58 : x
  2. Step 2: Convert to fraction form
    16,864.64/23,251.57 = 13,828.58/x
  3. Step 3: Cross multiply
    16,864.64x = 23,251.57 × 13,828.58
  4. Step 4: Simplify right side
    16,864.64x = 321,536,045.04
  5. Step 5: Solve for x
    x = 321,536,045.04/16,864.64
  6. Step 6: Final answer
    x = 19,065.69

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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.