Home / 38,671.16-57,994.36-12,369.64

Finding the Fourth Proportional to 38,671.16, 57,994.36 and 12,369.64

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Solution

The fourth proportional to 38,671.16, 57,994.36 and 12,369.64 is: 18,550.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,671.16 : 57,994.36 = 12,369.64 : x
  2. Step 2: Convert to fraction form
    38,671.16/57,994.36 = 12,369.64/x
  3. Step 3: Cross multiply
    38,671.16x = 57,994.36 × 12,369.64
  4. Step 4: Simplify right side
    38,671.16x = 717,369,355.23
  5. Step 5: Solve for x
    x = 717,369,355.23/38,671.16
  6. Step 6: Final answer
    x = 18,550.50

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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.