Home / 13,293.58-19,940.76-4,972.01

Finding the Fourth Proportional to 13,293.58, 19,940.76 and 4,972.01

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Solution

The fourth proportional to 13,293.58, 19,940.76 and 4,972.01 is: 7,458.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293.58 : 19,940.76 = 4,972.01 : x
  2. Step 2: Convert to fraction form
    13,293.58/19,940.76 = 4,972.01/x
  3. Step 3: Cross multiply
    13,293.58x = 19,940.76 × 4,972.01
  4. Step 4: Simplify right side
    13,293.58x = 99,145,670.59
  5. Step 5: Solve for x
    x = 99,145,670.59/13,293.58
  6. Step 6: Final answer
    x = 7,458.16

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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.