Home / 19,206.21-26,489.21-13,236.51

Finding the Fourth Proportional to 19,206.21, 26,489.21 and 13,236.51

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Solution

The fourth proportional to 19,206.21, 26,489.21 and 13,236.51 is: 18,255.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,206.21 : 26,489.21 = 13,236.51 : x
  2. Step 2: Convert to fraction form
    19,206.21/26,489.21 = 13,236.51/x
  3. Step 3: Cross multiply
    19,206.21x = 26,489.21 × 13,236.51
  4. Step 4: Simplify right side
    19,206.21x = 350,624,693.06
  5. Step 5: Solve for x
    x = 350,624,693.06/19,206.21
  6. Step 6: Final answer
    x = 18,255.80

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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.