Home / 13,436.04-18,539.52-7,467.54

Finding the Fourth Proportional to 13,436.04, 18,539.52 and 7,467.54

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Solution

The fourth proportional to 13,436.04, 18,539.52 and 7,467.54 is: 10,303.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436.04 : 18,539.52 = 7,467.54 : x
  2. Step 2: Convert to fraction form
    13,436.04/18,539.52 = 7,467.54/x
  3. Step 3: Cross multiply
    13,436.04x = 18,539.52 × 7,467.54
  4. Step 4: Simplify right side
    13,436.04x = 138,444,607.18
  5. Step 5: Solve for x
    x = 138,444,607.18/13,436.04
  6. Step 6: Final answer
    x = 10,303.97

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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.