Home / 19,860.15-29,771.67-6,703.32

Finding the Fourth Proportional to 19,860.15, 29,771.67 and 6,703.32

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Solution

The fourth proportional to 19,860.15, 29,771.67 and 6,703.32 is: 10,048.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,860.15 : 29,771.67 = 6,703.32 : x
  2. Step 2: Convert to fraction form
    19,860.15/29,771.67 = 6,703.32/x
  3. Step 3: Cross multiply
    19,860.15x = 29,771.67 × 6,703.32
  4. Step 4: Simplify right side
    19,860.15x = 199,569,030.94
  5. Step 5: Solve for x
    x = 199,569,030.94/19,860.15
  6. Step 6: Final answer
    x = 10,048.72

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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.