Home / 13,353.08-18,427.30-7,303.44

Finding the Fourth Proportional to 13,353.08, 18,427.30 and 7,303.44

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Solution

The fourth proportional to 13,353.08, 18,427.30 and 7,303.44 is: 10,078.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,353.08 : 18,427.30 = 7,303.44 : x
  2. Step 2: Convert to fraction form
    13,353.08/18,427.30 = 7,303.44/x
  3. Step 3: Cross multiply
    13,353.08x = 18,427.30 × 7,303.44
  4. Step 4: Simplify right side
    13,353.08x = 134,582,679.91
  5. Step 5: Solve for x
    x = 134,582,679.91/13,353.08
  6. Step 6: Final answer
    x = 10,078.77

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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.