Home / 34,246.21-47,259.69-19,138.87

Finding the Fourth Proportional to 34,246.21, 47,259.69 and 19,138.87

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Solution

The fourth proportional to 34,246.21, 47,259.69 and 19,138.87 is: 26,411.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,246.21 : 47,259.69 = 19,138.87 : x
  2. Step 2: Convert to fraction form
    34,246.21/47,259.69 = 19,138.87/x
  3. Step 3: Cross multiply
    34,246.21x = 47,259.69 × 19,138.87
  4. Step 4: Simplify right side
    34,246.21x = 904,496,826.85
  5. Step 5: Solve for x
    x = 904,496,826.85/34,246.21
  6. Step 6: Final answer
    x = 26,411.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.