Home / 39,855.56-59,783.34-12,153.32

Finding the Fourth Proportional to 39,855.56, 59,783.34 and 12,153.32

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Solution

The fourth proportional to 39,855.56, 59,783.34 and 12,153.32 is: 18,229.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,855.56 : 59,783.34 = 12,153.32 : x
  2. Step 2: Convert to fraction form
    39,855.56/59,783.34 = 12,153.32/x
  3. Step 3: Cross multiply
    39,855.56x = 59,783.34 × 12,153.32
  4. Step 4: Simplify right side
    39,855.56x = 726,566,061.69
  5. Step 5: Solve for x
    x = 726,566,061.69/39,855.56
  6. Step 6: Final answer
    x = 18,229.98

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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.