Home / 19,899.06-27,453.65-12,337.58

Finding the Fourth Proportional to 19,899.06, 27,453.65 and 12,337.58

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Solution

The fourth proportional to 19,899.06, 27,453.65 and 12,337.58 is: 17,021.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,899.06 : 27,453.65 = 12,337.58 : x
  2. Step 2: Convert to fraction form
    19,899.06/27,453.65 = 12,337.58/x
  3. Step 3: Cross multiply
    19,899.06x = 27,453.65 × 12,337.58
  4. Step 4: Simplify right side
    19,899.06x = 338,711,404.21
  5. Step 5: Solve for x
    x = 338,711,404.21/19,899.06
  6. Step 6: Final answer
    x = 17,021.48

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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.