Home / 18,623.58-25,700.32-13,864.79

Finding the Fourth Proportional to 18,623.58, 25,700.32 and 13,864.79

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Solution

The fourth proportional to 18,623.58, 25,700.32 and 13,864.79 is: 19,133.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,623.58 : 25,700.32 = 13,864.79 : x
  2. Step 2: Convert to fraction form
    18,623.58/25,700.32 = 13,864.79/x
  3. Step 3: Cross multiply
    18,623.58x = 25,700.32 × 13,864.79
  4. Step 4: Simplify right side
    18,623.58x = 356,329,539.73
  5. Step 5: Solve for x
    x = 356,329,539.73/18,623.58
  6. Step 6: Final answer
    x = 19,133.25

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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.