Home / 21,192.19-31,788.29-8,041.44

Finding the Fourth Proportional to 21,192.19, 31,788.29 and 8,041.44

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Solution

The fourth proportional to 21,192.19, 31,788.29 and 8,041.44 is: 12,062.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,192.19 : 31,788.29 = 8,041.44 : x
  2. Step 2: Convert to fraction form
    21,192.19/31,788.29 = 8,041.44/x
  3. Step 3: Cross multiply
    21,192.19x = 31,788.29 × 8,041.44
  4. Step 4: Simplify right side
    21,192.19x = 255,623,626.74
  5. Step 5: Solve for x
    x = 255,623,626.74/21,192.19
  6. Step 6: Final answer
    x = 12,062.16

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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.