Home / 39,294.96-58,951.32-12,999.64

Finding the Fourth Proportional to 39,294.96, 58,951.32 and 12,999.64

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Solution

The fourth proportional to 39,294.96, 58,951.32 and 12,999.64 is: 19,502.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,294.96 : 58,951.32 = 12,999.64 : x
  2. Step 2: Convert to fraction form
    39,294.96/58,951.32 = 12,999.64/x
  3. Step 3: Cross multiply
    39,294.96x = 58,951.32 × 12,999.64
  4. Step 4: Simplify right side
    39,294.96x = 766,345,937.52
  5. Step 5: Solve for x
    x = 766,345,937.52/39,294.96
  6. Step 6: Final answer
    x = 19,502.40

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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.