Home / 39,915.94-59,880.96-13,263.52

Finding the Fourth Proportional to 39,915.94, 59,880.96 and 13,263.52

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Solution

The fourth proportional to 39,915.94, 59,880.96 and 13,263.52 is: 19,897.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,915.94 : 59,880.96 = 13,263.52 : x
  2. Step 2: Convert to fraction form
    39,915.94/59,880.96 = 13,263.52/x
  3. Step 3: Cross multiply
    39,915.94x = 59,880.96 × 13,263.52
  4. Step 4: Simplify right side
    39,915.94x = 794,232,310.58
  5. Step 5: Solve for x
    x = 794,232,310.58/39,915.94
  6. Step 6: Final answer
    x = 19,897.62

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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.