Home / 19,488.81-29,234.76-5,448.93

Finding the Fourth Proportional to 19,488.81, 29,234.76 and 5,448.93

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Solution

The fourth proportional to 19,488.81, 29,234.76 and 5,448.93 is: 8,173.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,488.81 : 29,234.76 = 5,448.93 : x
  2. Step 2: Convert to fraction form
    19,488.81/29,234.76 = 5,448.93/x
  3. Step 3: Cross multiply
    19,488.81x = 29,234.76 × 5,448.93
  4. Step 4: Simplify right side
    19,488.81x = 159,298,030.74
  5. Step 5: Solve for x
    x = 159,298,030.74/19,488.81
  6. Step 6: Final answer
    x = 8,173.82

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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.