Home / 12,590.52-18,877.68-10,836.06

Finding the Fourth Proportional to 12,590.52, 18,877.68 and 10,836.06

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Solution

The fourth proportional to 12,590.52, 18,877.68 and 10,836.06 is: 16,247.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,590.52 : 18,877.68 = 10,836.06 : x
  2. Step 2: Convert to fraction form
    12,590.52/18,877.68 = 10,836.06/x
  3. Step 3: Cross multiply
    12,590.52x = 18,877.68 × 10,836.06
  4. Step 4: Simplify right side
    12,590.52x = 204,559,673.14
  5. Step 5: Solve for x
    x = 204,559,673.14/12,590.52
  6. Step 6: Final answer
    x = 16,247.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.