Home / 19,929.09-27,504.08-14,884.55

Finding the Fourth Proportional to 19,929.09, 27,504.08 and 14,884.55

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Solution

The fourth proportional to 19,929.09, 27,504.08 and 14,884.55 is: 20,542.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,929.09 : 27,504.08 = 14,884.55 : x
  2. Step 2: Convert to fraction form
    19,929.09/27,504.08 = 14,884.55/x
  3. Step 3: Cross multiply
    19,929.09x = 27,504.08 × 14,884.55
  4. Step 4: Simplify right side
    19,929.09x = 409,385,766.60
  5. Step 5: Solve for x
    x = 409,385,766.60/19,929.09
  6. Step 6: Final answer
    x = 20,542.12

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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.