Home / 39,178.08-58,754.64-12,876.74

Finding the Fourth Proportional to 39,178.08, 58,754.64 and 12,876.74

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Solution

The fourth proportional to 39,178.08, 58,754.64 and 12,876.74 is: 19,311.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,178.08 : 58,754.64 = 12,876.74 : x
  2. Step 2: Convert to fraction form
    39,178.08/58,754.64 = 12,876.74/x
  3. Step 3: Cross multiply
    39,178.08x = 58,754.64 × 12,876.74
  4. Step 4: Simplify right side
    39,178.08x = 756,568,223.07
  5. Step 5: Solve for x
    x = 756,568,223.07/39,178.08
  6. Step 6: Final answer
    x = 19,311.01

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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.