Home / 18,977.48-26,189.14-10,479.59

Finding the Fourth Proportional to 18,977.48, 26,189.14 and 10,479.59

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Solution

The fourth proportional to 18,977.48, 26,189.14 and 10,479.59 is: 14,461.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,977.48 : 26,189.14 = 10,479.59 : x
  2. Step 2: Convert to fraction form
    18,977.48/26,189.14 = 10,479.59/x
  3. Step 3: Cross multiply
    18,977.48x = 26,189.14 × 10,479.59
  4. Step 4: Simplify right side
    18,977.48x = 274,451,462.73
  5. Step 5: Solve for x
    x = 274,451,462.73/18,977.48
  6. Step 6: Final answer
    x = 14,461.95

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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.