Home / 13,056.11-18,017.32-7,087.65

Finding the Fourth Proportional to 13,056.11, 18,017.32 and 7,087.65

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Solution

The fourth proportional to 13,056.11, 18,017.32 and 7,087.65 is: 9,780.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,056.11 : 18,017.32 = 7,087.65 : x
  2. Step 2: Convert to fraction form
    13,056.11/18,017.32 = 7,087.65/x
  3. Step 3: Cross multiply
    13,056.11x = 18,017.32 × 7,087.65
  4. Step 4: Simplify right side
    13,056.11x = 127,700,458.10
  5. Step 5: Solve for x
    x = 127,700,458.10/13,056.11
  6. Step 6: Final answer
    x = 9,780.90

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