Home / 13,292.16-19,940.40-4,056

Finding the Fourth Proportional to 13,292.16, 19,940.40 and 4,056

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Solution

The fourth proportional to 13,292.16, 19,940.40 and 4,056 is: 6,084.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,292.16 : 19,940.40 = 4,056 : x
  2. Step 2: Convert to fraction form
    13,292.16/19,940.40 = 4,056/x
  3. Step 3: Cross multiply
    13,292.16x = 19,940.40 × 4,056
  4. Step 4: Simplify right side
    13,292.16x = 80,878,262.40
  5. Step 5: Solve for x
    x = 80,878,262.40/13,292.16
  6. Step 6: Final answer
    x = 6,084.66

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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.