Home / 16,390.57-24,589.80-4,703.68

Finding the Fourth Proportional to 16,390.57, 24,589.80 and 4,703.68

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Solution

The fourth proportional to 16,390.57, 24,589.80 and 4,703.68 is: 7,056.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,390.57 : 24,589.80 = 4,703.68 : x
  2. Step 2: Convert to fraction form
    16,390.57/24,589.80 = 4,703.68/x
  3. Step 3: Cross multiply
    16,390.57x = 24,589.80 × 4,703.68
  4. Step 4: Simplify right side
    16,390.57x = 115,662,550.46
  5. Step 5: Solve for x
    x = 115,662,550.46/16,390.57
  6. Step 6: Final answer
    x = 7,056.65

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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.