Home / 13,360.24-18,437.63-8,644.52

Finding the Fourth Proportional to 13,360.24, 18,437.63 and 8,644.52

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Solution

The fourth proportional to 13,360.24, 18,437.63 and 8,644.52 is: 11,929.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,360.24 : 18,437.63 = 8,644.52 : x
  2. Step 2: Convert to fraction form
    13,360.24/18,437.63 = 8,644.52/x
  3. Step 3: Cross multiply
    13,360.24x = 18,437.63 × 8,644.52
  4. Step 4: Simplify right side
    13,360.24x = 159,384,464.16
  5. Step 5: Solve for x
    x = 159,384,464.16/13,360.24
  6. Step 6: Final answer
    x = 11,929.76

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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.