Home / 19,841.06-29,880.36-18,069.59

Finding the Fourth Proportional to 19,841.06, 29,880.36 and 18,069.59

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Solution

The fourth proportional to 19,841.06, 29,880.36 and 18,069.59 is: 27,212.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,841.06 : 29,880.36 = 18,069.59 : x
  2. Step 2: Convert to fraction form
    19,841.06/29,880.36 = 18,069.59/x
  3. Step 3: Cross multiply
    19,841.06x = 29,880.36 × 18,069.59
  4. Step 4: Simplify right side
    19,841.06x = 539,925,854.25
  5. Step 5: Solve for x
    x = 539,925,854.25/19,841.06
  6. Step 6: Final answer
    x = 27,212.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.