Home / 14,110.56-21,147.51-10,572.78

Finding the Fourth Proportional to 14,110.56, 21,147.51 and 10,572.78

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Solution

The fourth proportional to 14,110.56, 21,147.51 and 10,572.78 is: 15,845.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,110.56 : 21,147.51 = 10,572.78 : x
  2. Step 2: Convert to fraction form
    14,110.56/21,147.51 = 10,572.78/x
  3. Step 3: Cross multiply
    14,110.56x = 21,147.51 × 10,572.78
  4. Step 4: Simplify right side
    14,110.56x = 223,587,970.78
  5. Step 5: Solve for x
    x = 223,587,970.78/14,110.56
  6. Step 6: Final answer
    x = 15,845.44

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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.