Home / 19,448.67-26,845.11-11,384.21

Finding the Fourth Proportional to 19,448.67, 26,845.11 and 11,384.21

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Solution

The fourth proportional to 19,448.67, 26,845.11 and 11,384.21 is: 15,713.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,448.67 : 26,845.11 = 11,384.21 : x
  2. Step 2: Convert to fraction form
    19,448.67/26,845.11 = 11,384.21/x
  3. Step 3: Cross multiply
    19,448.67x = 26,845.11 × 11,384.21
  4. Step 4: Simplify right side
    19,448.67x = 305,610,264.48
  5. Step 5: Solve for x
    x = 305,610,264.48/19,448.67
  6. Step 6: Final answer
    x = 15,713.69

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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.