Home / 15,746.22-21,734.26-10,372.58

Finding the Fourth Proportional to 15,746.22, 21,734.26 and 10,372.58

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Solution

The fourth proportional to 15,746.22, 21,734.26 and 10,372.58 is: 14,317.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,746.22 : 21,734.26 = 10,372.58 : x
  2. Step 2: Convert to fraction form
    15,746.22/21,734.26 = 10,372.58/x
  3. Step 3: Cross multiply
    15,746.22x = 21,734.26 × 10,372.58
  4. Step 4: Simplify right side
    15,746.22x = 225,440,358.62
  5. Step 5: Solve for x
    x = 225,440,358.62/15,746.22
  6. Step 6: Final answer
    x = 14,317.11

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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.