Home / 13,946.54-20,915.38-4,584.40

Finding the Fourth Proportional to 13,946.54, 20,915.38 and 4,584.40

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Solution

The fourth proportional to 13,946.54, 20,915.38 and 4,584.40 is: 6,875.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,946.54 : 20,915.38 = 4,584.40 : x
  2. Step 2: Convert to fraction form
    13,946.54/20,915.38 = 4,584.40/x
  3. Step 3: Cross multiply
    13,946.54x = 20,915.38 × 4,584.40
  4. Step 4: Simplify right side
    13,946.54x = 95,884,468.07
  5. Step 5: Solve for x
    x = 95,884,468.07/13,946.54
  6. Step 6: Final answer
    x = 6,875.14

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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.