Home / 38,763.60-58,145.39-12,468.33

Finding the Fourth Proportional to 38,763.60, 58,145.39 and 12,468.33

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Solution

The fourth proportional to 38,763.60, 58,145.39 and 12,468.33 is: 18,702.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,763.60 : 58,145.39 = 12,468.33 : x
  2. Step 2: Convert to fraction form
    38,763.60/58,145.39 = 12,468.33/x
  3. Step 3: Cross multiply
    38,763.60x = 58,145.39 × 12,468.33
  4. Step 4: Simplify right side
    38,763.60x = 724,975,848.16
  5. Step 5: Solve for x
    x = 724,975,848.16/38,763.60
  6. Step 6: Final answer
    x = 18,702.49

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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.