Home / 39,164.08-58,733.68-12,862.70

Finding the Fourth Proportional to 39,164.08, 58,733.68 and 12,862.70

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Solution

The fourth proportional to 39,164.08, 58,733.68 and 12,862.70 is: 19,289.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,164.08 : 58,733.68 = 12,862.70 : x
  2. Step 2: Convert to fraction form
    39,164.08/58,733.68 = 12,862.70/x
  3. Step 3: Cross multiply
    39,164.08x = 58,733.68 × 12,862.70
  4. Step 4: Simplify right side
    39,164.08x = 755,473,705.74
  5. Step 5: Solve for x
    x = 755,473,705.74/39,164.08
  6. Step 6: Final answer
    x = 19,289.96

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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.