Home / 39,142.80-58,697.76-12,833.04

Finding the Fourth Proportional to 39,142.80, 58,697.76 and 12,833.04

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Solution

The fourth proportional to 39,142.80, 58,697.76 and 12,833.04 is: 19,244.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,142.80 : 58,697.76 = 12,833.04 : x
  2. Step 2: Convert to fraction form
    39,142.80/58,697.76 = 12,833.04/x
  3. Step 3: Cross multiply
    39,142.80x = 58,697.76 × 12,833.04
  4. Step 4: Simplify right side
    39,142.80x = 753,270,701.99
  5. Step 5: Solve for x
    x = 753,270,701.99/39,142.80
  6. Step 6: Final answer
    x = 19,244.17

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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.