Home / 12,893.64-19,340.90-4,127.41

Finding the Fourth Proportional to 12,893.64, 19,340.90 and 4,127.41

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Solution

The fourth proportional to 12,893.64, 19,340.90 and 4,127.41 is: 6,191.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,893.64 : 19,340.90 = 4,127.41 : x
  2. Step 2: Convert to fraction form
    12,893.64/19,340.90 = 4,127.41/x
  3. Step 3: Cross multiply
    12,893.64x = 19,340.90 × 4,127.41
  4. Step 4: Simplify right side
    12,893.64x = 79,827,824.07
  5. Step 5: Solve for x
    x = 79,827,824.07/12,893.64
  6. Step 6: Final answer
    x = 6,191.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.