Home / 13,551.96-18,702.04-7,583.58

Finding the Fourth Proportional to 13,551.96, 18,702.04 and 7,583.58

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Solution

The fourth proportional to 13,551.96, 18,702.04 and 7,583.58 is: 10,465.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,551.96 : 18,702.04 = 7,583.58 : x
  2. Step 2: Convert to fraction form
    13,551.96/18,702.04 = 7,583.58/x
  3. Step 3: Cross multiply
    13,551.96x = 18,702.04 × 7,583.58
  4. Step 4: Simplify right side
    13,551.96x = 141,828,416.50
  5. Step 5: Solve for x
    x = 141,828,416.50/13,551.96
  6. Step 6: Final answer
    x = 10,465.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.