Home / 18,723.62-25,838.58-10,767.40

Finding the Fourth Proportional to 18,723.62, 25,838.58 and 10,767.40

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Solution

The fourth proportional to 18,723.62, 25,838.58 and 10,767.40 is: 14,859.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,723.62 : 25,838.58 = 10,767.40 : x
  2. Step 2: Convert to fraction form
    18,723.62/25,838.58 = 10,767.40/x
  3. Step 3: Cross multiply
    18,723.62x = 25,838.58 × 10,767.40
  4. Step 4: Simplify right side
    18,723.62x = 278,214,326.29
  5. Step 5: Solve for x
    x = 278,214,326.29/18,723.62
  6. Step 6: Final answer
    x = 14,859.00

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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.