Home / 19,137.36-26,409.54-10,639.22

Finding the Fourth Proportional to 19,137.36, 26,409.54 and 10,639.22

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Solution

The fourth proportional to 19,137.36, 26,409.54 and 10,639.22 is: 14,682.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,137.36 : 26,409.54 = 10,639.22 : x
  2. Step 2: Convert to fraction form
    19,137.36/26,409.54 = 10,639.22/x
  3. Step 3: Cross multiply
    19,137.36x = 26,409.54 × 10,639.22
  4. Step 4: Simplify right side
    19,137.36x = 280,976,906.16
  5. Step 5: Solve for x
    x = 280,976,906.16/19,137.36
  6. Step 6: Final answer
    x = 14,682.11

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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.