Home / 19,150.49-26,416.86-11,491.79

Finding the Fourth Proportional to 19,150.49, 26,416.86 and 11,491.79

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Solution

The fourth proportional to 19,150.49, 26,416.86 and 11,491.79 is: 15,852.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,150.49 : 26,416.86 = 11,491.79 : x
  2. Step 2: Convert to fraction form
    19,150.49/26,416.86 = 11,491.79/x
  3. Step 3: Cross multiply
    19,150.49x = 26,416.86 × 11,491.79
  4. Step 4: Simplify right side
    19,150.49x = 303,576,875.50
  5. Step 5: Solve for x
    x = 303,576,875.50/19,150.49
  6. Step 6: Final answer
    x = 15,852.18

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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.