Home / 13,107.52-19,666.47-4,788.08

Finding the Fourth Proportional to 13,107.52, 19,666.47 and 4,788.08

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Solution

The fourth proportional to 13,107.52, 19,666.47 and 4,788.08 is: 7,184.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,107.52 : 19,666.47 = 4,788.08 : x
  2. Step 2: Convert to fraction form
    13,107.52/19,666.47 = 4,788.08/x
  3. Step 3: Cross multiply
    13,107.52x = 19,666.47 × 4,788.08
  4. Step 4: Simplify right side
    13,107.52x = 94,164,551.30
  5. Step 5: Solve for x
    x = 94,164,551.30/13,107.52
  6. Step 6: Final answer
    x = 7,184.01

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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.