Home / 37,617.52-56,439.08-12,660.16

Finding the Fourth Proportional to 37,617.52, 56,439.08 and 12,660.16

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Solution

The fourth proportional to 37,617.52, 56,439.08 and 12,660.16 is: 18,994.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,617.52 : 56,439.08 = 12,660.16 : x
  2. Step 2: Convert to fraction form
    37,617.52/56,439.08 = 12,660.16/x
  3. Step 3: Cross multiply
    37,617.52x = 56,439.08 × 12,660.16
  4. Step 4: Simplify right side
    37,617.52x = 714,527,783.05
  5. Step 5: Solve for x
    x = 714,527,783.05/37,617.52
  6. Step 6: Final answer
    x = 18,994.55

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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.