Home / 19,735.81-29,349.94-19,112.86

Finding the Fourth Proportional to 19,735.81, 29,349.94 and 19,112.86

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Solution

The fourth proportional to 19,735.81, 29,349.94 and 19,112.86 is: 28,423.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,735.81 : 29,349.94 = 19,112.86 : x
  2. Step 2: Convert to fraction form
    19,735.81/29,349.94 = 19,112.86/x
  3. Step 3: Cross multiply
    19,735.81x = 29,349.94 × 19,112.86
  4. Step 4: Simplify right side
    19,735.81x = 560,961,294.23
  5. Step 5: Solve for x
    x = 560,961,294.23/19,735.81
  6. Step 6: Final answer
    x = 28,423.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.