Home / 19,151.40-26,428.86-11,192.04

Finding the Fourth Proportional to 19,151.40, 26,428.86 and 11,192.04

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Solution

The fourth proportional to 19,151.40, 26,428.86 and 11,192.04 is: 15,444.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,151.40 : 26,428.86 = 11,192.04 : x
  2. Step 2: Convert to fraction form
    19,151.40/26,428.86 = 11,192.04/x
  3. Step 3: Cross multiply
    19,151.40x = 26,428.86 × 11,192.04
  4. Step 4: Simplify right side
    19,151.40x = 295,792,858.27
  5. Step 5: Solve for x
    x = 295,792,858.27/19,151.40
  6. Step 6: Final answer
    x = 15,444.97

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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.