Home / 13,827.65-19,082.34-7,540.02

Finding the Fourth Proportional to 13,827.65, 19,082.34 and 7,540.02

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Solution

The fourth proportional to 13,827.65, 19,082.34 and 7,540.02 is: 10,405.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,827.65 : 19,082.34 = 7,540.02 : x
  2. Step 2: Convert to fraction form
    13,827.65/19,082.34 = 7,540.02/x
  3. Step 3: Cross multiply
    13,827.65x = 19,082.34 × 7,540.02
  4. Step 4: Simplify right side
    13,827.65x = 143,881,225.25
  5. Step 5: Solve for x
    x = 143,881,225.25/13,827.65
  6. Step 6: Final answer
    x = 10,405.33

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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.