Home / 19,170.55-26,453.47-11,211.22

Finding the Fourth Proportional to 19,170.55, 26,453.47 and 11,211.22

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Solution

The fourth proportional to 19,170.55, 26,453.47 and 11,211.22 is: 15,470.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,170.55 : 26,453.47 = 11,211.22 : x
  2. Step 2: Convert to fraction form
    19,170.55/26,453.47 = 11,211.22/x
  3. Step 3: Cross multiply
    19,170.55x = 26,453.47 × 11,211.22
  4. Step 4: Simplify right side
    19,170.55x = 296,575,483.61
  5. Step 5: Solve for x
    x = 296,575,483.61/19,170.55
  6. Step 6: Final answer
    x = 15,470.37

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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.