Home / 39,176.49-58,768.91-12,513.16

Finding the Fourth Proportional to 39,176.49, 58,768.91 and 12,513.16

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Solution

The fourth proportional to 39,176.49, 58,768.91 and 12,513.16 is: 18,771.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,176.49 : 58,768.91 = 12,513.16 : x
  2. Step 2: Convert to fraction form
    39,176.49/58,768.91 = 12,513.16/x
  3. Step 3: Cross multiply
    39,176.49x = 58,768.91 × 12,513.16
  4. Step 4: Simplify right side
    39,176.49x = 735,384,773.86
  5. Step 5: Solve for x
    x = 735,384,773.86/39,176.49
  6. Step 6: Final answer
    x = 18,771.07

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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.