Home / 19,749.22-27,236.28-16,386.72

Finding the Fourth Proportional to 19,749.22, 27,236.28 and 16,386.72

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Solution

The fourth proportional to 19,749.22, 27,236.28 and 16,386.72 is: 22,599.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,749.22 : 27,236.28 = 16,386.72 : x
  2. Step 2: Convert to fraction form
    19,749.22/27,236.28 = 16,386.72/x
  3. Step 3: Cross multiply
    19,749.22x = 27,236.28 × 16,386.72
  4. Step 4: Simplify right side
    19,749.22x = 446,313,158.02
  5. Step 5: Solve for x
    x = 446,313,158.02/19,749.22
  6. Step 6: Final answer
    x = 22,599.03

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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.