Home / 25,027.72-34,354.28-22,131.64

Finding the Fourth Proportional to 25,027.72, 34,354.28 and 22,131.64

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Solution

The fourth proportional to 25,027.72, 34,354.28 and 22,131.64 is: 30,378.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,027.72 : 34,354.28 = 22,131.64 : x
  2. Step 2: Convert to fraction form
    25,027.72/34,354.28 = 22,131.64/x
  3. Step 3: Cross multiply
    25,027.72x = 34,354.28 × 22,131.64
  4. Step 4: Simplify right side
    25,027.72x = 760,316,557.42
  5. Step 5: Solve for x
    x = 760,316,557.42/25,027.72
  6. Step 6: Final answer
    x = 30,378.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.