Home / 19,162.13-26,439.75-11,202.81

Finding the Fourth Proportional to 19,162.13, 26,439.75 and 11,202.81

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Solution

The fourth proportional to 19,162.13, 26,439.75 and 11,202.81 is: 15,457.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,162.13 : 26,439.75 = 11,202.81 : x
  2. Step 2: Convert to fraction form
    19,162.13/26,439.75 = 11,202.81/x
  3. Step 3: Cross multiply
    19,162.13x = 26,439.75 × 11,202.81
  4. Step 4: Simplify right side
    19,162.13x = 296,199,495.70
  5. Step 5: Solve for x
    x = 296,199,495.70/19,162.13
  6. Step 6: Final answer
    x = 15,457.55

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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.