Home / 18,386.97-27,579.91-10,941.60

Finding the Fourth Proportional to 18,386.97, 27,579.91 and 10,941.60

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Solution

The fourth proportional to 18,386.97, 27,579.91 and 10,941.60 is: 16,412.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,386.97 : 27,579.91 = 10,941.60 : x
  2. Step 2: Convert to fraction form
    18,386.97/27,579.91 = 10,941.60/x
  3. Step 3: Cross multiply
    18,386.97x = 27,579.91 × 10,941.60
  4. Step 4: Simplify right side
    18,386.97x = 301,768,343.26
  5. Step 5: Solve for x
    x = 301,768,343.26/18,386.97
  6. Step 6: Final answer
    x = 16,412.08

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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.