Home / 39,215.07-58,826.13-11,135.40

Finding the Fourth Proportional to 39,215.07, 58,826.13 and 11,135.40

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Solution

The fourth proportional to 39,215.07, 58,826.13 and 11,135.40 is: 16,704.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,215.07 : 58,826.13 = 11,135.40 : x
  2. Step 2: Convert to fraction form
    39,215.07/58,826.13 = 11,135.40/x
  3. Step 3: Cross multiply
    39,215.07x = 58,826.13 × 11,135.40
  4. Step 4: Simplify right side
    39,215.07x = 655,052,488.00
  5. Step 5: Solve for x
    x = 655,052,488.00/39,215.07
  6. Step 6: Final answer
    x = 16,704.10

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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.