Home / 19,960.93-29,946.86-15,814.81

Finding the Fourth Proportional to 19,960.93, 29,946.86 and 15,814.81

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Solution

The fourth proportional to 19,960.93, 29,946.86 and 15,814.81 is: 23,726.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960.93 : 29,946.86 = 15,814.81 : x
  2. Step 2: Convert to fraction form
    19,960.93/29,946.86 = 15,814.81/x
  3. Step 3: Cross multiply
    19,960.93x = 29,946.86 × 15,814.81
  4. Step 4: Simplify right side
    19,960.93x = 473,603,672.19
  5. Step 5: Solve for x
    x = 473,603,672.19/19,960.93
  6. Step 6: Final answer
    x = 23,726.54

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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.