Home / 22,021.28-30,372.42-14,848.52

Finding the Fourth Proportional to 22,021.28, 30,372.42 and 14,848.52

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Solution

The fourth proportional to 22,021.28, 30,372.42 and 14,848.52 is: 20,479.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,021.28 : 30,372.42 = 14,848.52 : x
  2. Step 2: Convert to fraction form
    22,021.28/30,372.42 = 14,848.52/x
  3. Step 3: Cross multiply
    22,021.28x = 30,372.42 × 14,848.52
  4. Step 4: Simplify right side
    22,021.28x = 450,985,485.82
  5. Step 5: Solve for x
    x = 450,985,485.82/22,021.28
  6. Step 6: Final answer
    x = 20,479.53

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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.