Home / 13,827.54-19,082.13-7,539.94

Finding the Fourth Proportional to 13,827.54, 19,082.13 and 7,539.94

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Solution

The fourth proportional to 13,827.54, 19,082.13 and 7,539.94 is: 10,405.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,827.54 : 19,082.13 = 7,539.94 : x
  2. Step 2: Convert to fraction form
    13,827.54/19,082.13 = 7,539.94/x
  3. Step 3: Cross multiply
    13,827.54x = 19,082.13 × 7,539.94
  4. Step 4: Simplify right side
    13,827.54x = 143,878,115.27
  5. Step 5: Solve for x
    x = 143,878,115.27/13,827.54
  6. Step 6: Final answer
    x = 10,405.19

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1.5x scale

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.