Home / 19,389.48-29,084.82-5,349.75

Finding the Fourth Proportional to 19,389.48, 29,084.82 and 5,349.75

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Solution

The fourth proportional to 19,389.48, 29,084.82 and 5,349.75 is: 8,024.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389.48 : 29,084.82 = 5,349.75 : x
  2. Step 2: Convert to fraction form
    19,389.48/29,084.82 = 5,349.75/x
  3. Step 3: Cross multiply
    19,389.48x = 29,084.82 × 5,349.75
  4. Step 4: Simplify right side
    19,389.48x = 155,596,515.80
  5. Step 5: Solve for x
    x = 155,596,515.80/19,389.48
  6. Step 6: Final answer
    x = 8,024.79

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1.5x scale

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.