Home / 13,319.68-19,973.60-4,083.52

Finding the Fourth Proportional to 13,319.68, 19,973.60 and 4,083.52

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Solution

The fourth proportional to 13,319.68, 19,973.60 and 4,083.52 is: 6,123.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,319.68 : 19,973.60 = 4,083.52 : x
  2. Step 2: Convert to fraction form
    13,319.68/19,973.60 = 4,083.52/x
  3. Step 3: Cross multiply
    13,319.68x = 19,973.60 × 4,083.52
  4. Step 4: Simplify right side
    13,319.68x = 81,562,595.07
  5. Step 5: Solve for x
    x = 81,562,595.07/13,319.68
  6. Step 6: Final answer
    x = 6,123.47

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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.