Home / 19,573.11-26,999.60-12,491.55

Finding the Fourth Proportional to 19,573.11, 26,999.60 and 12,491.55

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Solution

The fourth proportional to 19,573.11, 26,999.60 and 12,491.55 is: 17,231.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,573.11 : 26,999.60 = 12,491.55 : x
  2. Step 2: Convert to fraction form
    19,573.11/26,999.60 = 12,491.55/x
  3. Step 3: Cross multiply
    19,573.11x = 26,999.60 × 12,491.55
  4. Step 4: Simplify right side
    19,573.11x = 337,266,790.92
  5. Step 5: Solve for x
    x = 337,266,790.92/19,573.11
  6. Step 6: Final answer
    x = 17,231.13

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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.