Home / 13,325.24-18,388.98-7,356.90

Finding the Fourth Proportional to 13,325.24, 18,388.98 and 7,356.90

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Solution

The fourth proportional to 13,325.24, 18,388.98 and 7,356.90 is: 10,152.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325.24 : 18,388.98 = 7,356.90 : x
  2. Step 2: Convert to fraction form
    13,325.24/18,388.98 = 7,356.90/x
  3. Step 3: Cross multiply
    13,325.24x = 18,388.98 × 7,356.90
  4. Step 4: Simplify right side
    13,325.24x = 135,285,886.96
  5. Step 5: Solve for x
    x = 135,285,886.96/13,325.24
  6. Step 6: Final answer
    x = 10,152.60

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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.