Home / 21,166.01-29,210.41-11,734.58

Finding the Fourth Proportional to 21,166.01, 29,210.41 and 11,734.58

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Solution

The fourth proportional to 21,166.01, 29,210.41 and 11,734.58 is: 16,194.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,166.01 : 29,210.41 = 11,734.58 : x
  2. Step 2: Convert to fraction form
    21,166.01/29,210.41 = 11,734.58/x
  3. Step 3: Cross multiply
    21,166.01x = 29,210.41 × 11,734.58
  4. Step 4: Simplify right side
    21,166.01x = 342,771,746.93
  5. Step 5: Solve for x
    x = 342,771,746.93/21,166.01
  6. Step 6: Final answer
    x = 16,194.44

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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.