Home / 13,424.77-18,541.92-10,745.29

Finding the Fourth Proportional to 13,424.77, 18,541.92 and 10,745.29

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Solution

The fourth proportional to 13,424.77, 18,541.92 and 10,745.29 is: 14,841.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,424.77 : 18,541.92 = 10,745.29 : x
  2. Step 2: Convert to fraction form
    13,424.77/18,541.92 = 10,745.29/x
  3. Step 3: Cross multiply
    13,424.77x = 18,541.92 × 10,745.29
  4. Step 4: Simplify right side
    13,424.77x = 199,238,307.56
  5. Step 5: Solve for x
    x = 199,238,307.56/13,424.77
  6. Step 6: Final answer
    x = 14,841.10

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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.