Home / 18,977.73-26,188.59-10,479.70

Finding the Fourth Proportional to 18,977.73, 26,188.59 and 10,479.70

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Solution

The fourth proportional to 18,977.73, 26,188.59 and 10,479.70 is: 14,461.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,977.73 : 26,188.59 = 10,479.70 : x
  2. Step 2: Convert to fraction form
    18,977.73/26,188.59 = 10,479.70/x
  3. Step 3: Cross multiply
    18,977.73x = 26,188.59 × 10,479.70
  4. Step 4: Simplify right side
    18,977.73x = 274,448,566.62
  5. Step 5: Solve for x
    x = 274,448,566.62/18,977.73
  6. Step 6: Final answer
    x = 14,461.61

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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.