Home / 19,410.95-26,786.49-10,913.43

Finding the Fourth Proportional to 19,410.95, 26,786.49 and 10,913.43

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Solution

The fourth proportional to 19,410.95, 26,786.49 and 10,913.43 is: 15,060.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,410.95 : 26,786.49 = 10,913.43 : x
  2. Step 2: Convert to fraction form
    19,410.95/26,786.49 = 10,913.43/x
  3. Step 3: Cross multiply
    19,410.95x = 26,786.49 × 10,913.43
  4. Step 4: Simplify right side
    19,410.95x = 292,332,392.41
  5. Step 5: Solve for x
    x = 292,332,392.41/19,410.95
  6. Step 6: Final answer
    x = 15,060.18

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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.