Home / 28,108.01-42,181.11-14,969.58

Finding the Fourth Proportional to 28,108.01, 42,181.11 and 14,969.58

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Solution

The fourth proportional to 28,108.01, 42,181.11 and 14,969.58 is: 22,464.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,108.01 : 42,181.11 = 14,969.58 : x
  2. Step 2: Convert to fraction form
    28,108.01/42,181.11 = 14,969.58/x
  3. Step 3: Cross multiply
    28,108.01x = 42,181.11 × 14,969.58
  4. Step 4: Simplify right side
    28,108.01x = 631,433,500.63
  5. Step 5: Solve for x
    x = 631,433,500.63/28,108.01
  6. Step 6: Final answer
    x = 22,464.54

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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.