Home / 18,711.23-25,825.92-10,758.07

Finding the Fourth Proportional to 18,711.23, 25,825.92 and 10,758.07

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Solution

The fourth proportional to 18,711.23, 25,825.92 and 10,758.07 is: 14,848.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,711.23 : 25,825.92 = 10,758.07 : x
  2. Step 2: Convert to fraction form
    18,711.23/25,825.92 = 10,758.07/x
  3. Step 3: Cross multiply
    18,711.23x = 25,825.92 × 10,758.07
  4. Step 4: Simplify right side
    18,711.23x = 277,837,055.17
  5. Step 5: Solve for x
    x = 277,837,055.17/18,711.23
  6. Step 6: Final answer
    x = 14,848.68

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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.