Home / 13,635.66-18,826.53-10,443.32

Finding the Fourth Proportional to 13,635.66, 18,826.53 and 10,443.32

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Solution

The fourth proportional to 13,635.66, 18,826.53 and 10,443.32 is: 14,418.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,635.66 : 18,826.53 = 10,443.32 : x
  2. Step 2: Convert to fraction form
    13,635.66/18,826.53 = 10,443.32/x
  3. Step 3: Cross multiply
    13,635.66x = 18,826.53 × 10,443.32
  4. Step 4: Simplify right side
    13,635.66x = 196,611,477.28
  5. Step 5: Solve for x
    x = 196,611,477.28/13,635.66
  6. Step 6: Final answer
    x = 14,418.92

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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.