Home / 19,771.41-27,283.90-10,818.32

Finding the Fourth Proportional to 19,771.41, 27,283.90 and 10,818.32

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Solution

The fourth proportional to 19,771.41, 27,283.90 and 10,818.32 is: 14,928.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,771.41 : 27,283.90 = 10,818.32 : x
  2. Step 2: Convert to fraction form
    19,771.41/27,283.90 = 10,818.32/x
  3. Step 3: Cross multiply
    19,771.41x = 27,283.90 × 10,818.32
  4. Step 4: Simplify right side
    19,771.41x = 295,165,797.58
  5. Step 5: Solve for x
    x = 295,165,797.58/19,771.41
  6. Step 6: Final answer
    x = 14,928.92

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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.