Home / 34,379.15-51,573.67-13,039.72

Finding the Fourth Proportional to 34,379.15, 51,573.67 and 13,039.72

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Solution

The fourth proportional to 34,379.15, 51,573.67 and 13,039.72 is: 19,561.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,379.15 : 51,573.67 = 13,039.72 : x
  2. Step 2: Convert to fraction form
    34,379.15/51,573.67 = 13,039.72/x
  3. Step 3: Cross multiply
    34,379.15x = 51,573.67 × 13,039.72
  4. Step 4: Simplify right side
    34,379.15x = 672,506,216.17
  5. Step 5: Solve for x
    x = 672,506,216.17/34,379.15
  6. Step 6: Final answer
    x = 19,561.46

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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.