Home / 13,551.14-20,322.54-4,784.00

Finding the Fourth Proportional to 13,551.14, 20,322.54 and 4,784.00

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Solution

The fourth proportional to 13,551.14, 20,322.54 and 4,784.00 is: 7,174.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,551.14 : 20,322.54 = 4,784.00 : x
  2. Step 2: Convert to fraction form
    13,551.14/20,322.54 = 4,784.00/x
  3. Step 3: Cross multiply
    13,551.14x = 20,322.54 × 4,784.00
  4. Step 4: Simplify right side
    13,551.14x = 97,222,929.75
  5. Step 5: Solve for x
    x = 97,222,929.75/13,551.14
  6. Step 6: Final answer
    x = 7,174.52

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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.