Home / 13,276.64-19,915.86-4,956.50

Finding the Fourth Proportional to 13,276.64, 19,915.86 and 4,956.50

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Solution

The fourth proportional to 13,276.64, 19,915.86 and 4,956.50 is: 7,435.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,276.64 : 19,915.86 = 4,956.50 : x
  2. Step 2: Convert to fraction form
    13,276.64/19,915.86 = 4,956.50/x
  3. Step 3: Cross multiply
    13,276.64x = 19,915.86 × 4,956.50
  4. Step 4: Simplify right side
    13,276.64x = 98,712,960.09
  5. Step 5: Solve for x
    x = 98,712,960.09/13,276.64
  6. Step 6: Final answer
    x = 7,435.09

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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.