Home / 22,154.25-30,555.59-14,197.22

Finding the Fourth Proportional to 22,154.25, 30,555.59 and 14,197.22

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Solution

The fourth proportional to 22,154.25, 30,555.59 and 14,197.22 is: 19,581.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,154.25 : 30,555.59 = 14,197.22 : x
  2. Step 2: Convert to fraction form
    22,154.25/30,555.59 = 14,197.22/x
  3. Step 3: Cross multiply
    22,154.25x = 30,555.59 × 14,197.22
  4. Step 4: Simplify right side
    22,154.25x = 433,804,209.70
  5. Step 5: Solve for x
    x = 433,804,209.70/22,154.25
  6. Step 6: Final answer
    x = 19,581.08

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Double scale
Find fourth proportional to 22,155.25, 30,556.96 and 14,198.22
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.