Home / 37,125.08-55,681.74-12,165.08

Finding the Fourth Proportional to 37,125.08, 55,681.74 and 12,165.08

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Solution

The fourth proportional to 37,125.08, 55,681.74 and 12,165.08 is: 18,245.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,125.08 : 55,681.74 = 12,165.08 : x
  2. Step 2: Convert to fraction form
    37,125.08/55,681.74 = 12,165.08/x
  3. Step 3: Cross multiply
    37,125.08x = 55,681.74 × 12,165.08
  4. Step 4: Simplify right side
    37,125.08x = 677,372,821.64
  5. Step 5: Solve for x
    x = 677,372,821.64/37,125.08
  6. Step 6: Final answer
    x = 18,245.69

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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.