Home / 19,862.36-29,759.14-12,054.80

Finding the Fourth Proportional to 19,862.36, 29,759.14 and 12,054.80

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Solution

The fourth proportional to 19,862.36, 29,759.14 and 12,054.80 is: 18,061.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,862.36 : 29,759.14 = 12,054.80 : x
  2. Step 2: Convert to fraction form
    19,862.36/29,759.14 = 12,054.80/x
  3. Step 3: Cross multiply
    19,862.36x = 29,759.14 × 12,054.80
  4. Step 4: Simplify right side
    19,862.36x = 358,740,480.87
  5. Step 5: Solve for x
    x = 358,740,480.87/19,862.36
  6. Step 6: Final answer
    x = 18,061.32

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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.