Home / 19,420.72-26,800.96-10,922.62

Finding the Fourth Proportional to 19,420.72, 26,800.96 and 10,922.62

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Solution

The fourth proportional to 19,420.72, 26,800.96 and 10,922.62 is: 15,073.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,420.72 : 26,800.96 = 10,922.62 : x
  2. Step 2: Convert to fraction form
    19,420.72/26,800.96 = 10,922.62/x
  3. Step 3: Cross multiply
    19,420.72x = 26,800.96 × 10,922.62
  4. Step 4: Simplify right side
    19,420.72x = 292,736,701.72
  5. Step 5: Solve for x
    x = 292,736,701.72/19,420.72
  6. Step 6: Final answer
    x = 15,073.42

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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.