Home / 19,709.10-27,150.95-16,867.37

Finding the Fourth Proportional to 19,709.10, 27,150.95 and 16,867.37

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Solution

The fourth proportional to 19,709.10, 27,150.95 and 16,867.37 is: 23,236.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,709.10 : 27,150.95 = 16,867.37 : x
  2. Step 2: Convert to fraction form
    19,709.10/27,150.95 = 16,867.37/x
  3. Step 3: Cross multiply
    19,709.10x = 27,150.95 × 16,867.37
  4. Step 4: Simplify right side
    19,709.10x = 457,964,899.41
  5. Step 5: Solve for x
    x = 457,964,899.41/19,709.10
  6. Step 6: Final answer
    x = 23,236.22

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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.