Home / 18,716.18-25,830.24-10,758.74

Finding the Fourth Proportional to 18,716.18, 25,830.24 and 10,758.74

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Solution

The fourth proportional to 18,716.18, 25,830.24 and 10,758.74 is: 14,848.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,716.18 : 25,830.24 = 10,758.74 : x
  2. Step 2: Convert to fraction form
    18,716.18/25,830.24 = 10,758.74/x
  3. Step 3: Cross multiply
    18,716.18x = 25,830.24 × 10,758.74
  4. Step 4: Simplify right side
    18,716.18x = 277,900,836.30
  5. Step 5: Solve for x
    x = 277,900,836.30/18,716.18
  6. Step 6: Final answer
    x = 14,848.16

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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.