Home / 19,486.63-29,030.61-18,546.22

Finding the Fourth Proportional to 19,486.63, 29,030.61 and 18,546.22

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Solution

The fourth proportional to 19,486.63, 29,030.61 and 18,546.22 is: 27,629.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,486.63 : 29,030.61 = 18,546.22 : x
  2. Step 2: Convert to fraction form
    19,486.63/29,030.61 = 18,546.22/x
  3. Step 3: Cross multiply
    19,486.63x = 29,030.61 × 18,546.22
  4. Step 4: Simplify right side
    19,486.63x = 538,408,079.79
  5. Step 5: Solve for x
    x = 538,408,079.79/19,486.63
  6. Step 6: Final answer
    x = 27,629.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.