Home / 16,658.16-24,991.18-4,971.68

Finding the Fourth Proportional to 16,658.16, 24,991.18 and 4,971.68

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Solution

The fourth proportional to 16,658.16, 24,991.18 and 4,971.68 is: 7,458.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,658.16 : 24,991.18 = 4,971.68 : x
  2. Step 2: Convert to fraction form
    16,658.16/24,991.18 = 4,971.68/x
  3. Step 3: Cross multiply
    16,658.16x = 24,991.18 × 4,971.68
  4. Step 4: Simplify right side
    16,658.16x = 124,248,134.08
  5. Step 5: Solve for x
    x = 124,248,134.08/16,658.16
  6. Step 6: Final answer
    x = 7,458.70

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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.