Home / 20,924.13-28,868.26-11,848.25

Finding the Fourth Proportional to 20,924.13, 28,868.26 and 11,848.25

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Solution

The fourth proportional to 20,924.13, 28,868.26 and 11,848.25 is: 16,346.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,924.13 : 28,868.26 = 11,848.25 : x
  2. Step 2: Convert to fraction form
    20,924.13/28,868.26 = 11,848.25/x
  3. Step 3: Cross multiply
    20,924.13x = 28,868.26 × 11,848.25
  4. Step 4: Simplify right side
    20,924.13x = 342,038,361.55
  5. Step 5: Solve for x
    x = 342,038,361.55/20,924.13
  6. Step 6: Final answer
    x = 16,346.60

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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.