Home / 15,850.02-21,873.72-8,776.44

Finding the Fourth Proportional to 15,850.02, 21,873.72 and 8,776.44

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Solution

The fourth proportional to 15,850.02, 21,873.72 and 8,776.44 is: 12,111.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,850.02 : 21,873.72 = 8,776.44 : x
  2. Step 2: Convert to fraction form
    15,850.02/21,873.72 = 8,776.44/x
  3. Step 3: Cross multiply
    15,850.02x = 21,873.72 × 8,776.44
  4. Step 4: Simplify right side
    15,850.02x = 191,973,391.16
  5. Step 5: Solve for x
    x = 191,973,391.16/15,850.02
  6. Step 6: Final answer
    x = 12,111.87

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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.