Home / 19,439.15-26,822.27-10,940.14

Finding the Fourth Proportional to 19,439.15, 26,822.27 and 10,940.14

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Solution

The fourth proportional to 19,439.15, 26,822.27 and 10,940.14 is: 15,095.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,439.15 : 26,822.27 = 10,940.14 : x
  2. Step 2: Convert to fraction form
    19,439.15/26,822.27 = 10,940.14/x
  3. Step 3: Cross multiply
    19,439.15x = 26,822.27 × 10,940.14
  4. Step 4: Simplify right side
    19,439.15x = 293,439,334.22
  5. Step 5: Solve for x
    x = 293,439,334.22/19,439.15
  6. Step 6: Final answer
    x = 15,095.28

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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.