Home / 13,256.18-19,881.18-4,940.12

Finding the Fourth Proportional to 13,256.18, 19,881.18 and 4,940.12

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Solution

The fourth proportional to 13,256.18, 19,881.18 and 4,940.12 is: 7,409.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.18 : 19,881.18 = 4,940.12 : x
  2. Step 2: Convert to fraction form
    13,256.18/19,881.18 = 4,940.12/x
  3. Step 3: Cross multiply
    13,256.18x = 19,881.18 × 4,940.12
  4. Step 4: Simplify right side
    13,256.18x = 98,215,414.94
  5. Step 5: Solve for x
    x = 98,215,414.94/13,256.18
  6. Step 6: Final answer
    x = 7,409.03

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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.