Home / 13,235.30-19,932.18-12,054.32

Finding the Fourth Proportional to 13,235.30, 19,932.18 and 12,054.32

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Solution

The fourth proportional to 13,235.30, 19,932.18 and 12,054.32 is: 18,153.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,235.30 : 19,932.18 = 12,054.32 : x
  2. Step 2: Convert to fraction form
    13,235.30/19,932.18 = 12,054.32/x
  3. Step 3: Cross multiply
    13,235.30x = 19,932.18 × 12,054.32
  4. Step 4: Simplify right side
    13,235.30x = 240,268,876.02
  5. Step 5: Solve for x
    x = 240,268,876.02/13,235.30
  6. Step 6: Final answer
    x = 18,153.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.