Home / 13,789.04-20,658.04-10,657.98

Finding the Fourth Proportional to 13,789.04, 20,658.04 and 10,657.98

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Solution

The fourth proportional to 13,789.04, 20,658.04 and 10,657.98 is: 15,967.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,789.04 : 20,658.04 = 10,657.98 : x
  2. Step 2: Convert to fraction form
    13,789.04/20,658.04 = 10,657.98/x
  3. Step 3: Cross multiply
    13,789.04x = 20,658.04 × 10,657.98
  4. Step 4: Simplify right side
    13,789.04x = 220,172,950.51
  5. Step 5: Solve for x
    x = 220,172,950.51/13,789.04
  6. Step 6: Final answer
    x = 15,967.25

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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.