Home / 13,043.80-19,565.67-4,723.78

Finding the Fourth Proportional to 13,043.80, 19,565.67 and 4,723.78

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Solution

The fourth proportional to 13,043.80, 19,565.67 and 4,723.78 is: 7,085.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,043.80 : 19,565.67 = 4,723.78 : x
  2. Step 2: Convert to fraction form
    13,043.80/19,565.67 = 4,723.78/x
  3. Step 3: Cross multiply
    13,043.80x = 19,565.67 × 4,723.78
  4. Step 4: Simplify right side
    13,043.80x = 92,423,920.63
  5. Step 5: Solve for x
    x = 92,423,920.63/13,043.80
  6. Step 6: Final answer
    x = 7,085.66

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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.