Home / 13,150.08-18,152.24-8,899.07

Finding the Fourth Proportional to 13,150.08, 18,152.24 and 8,899.07

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Solution

The fourth proportional to 13,150.08, 18,152.24 and 8,899.07 is: 12,284.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,150.08 : 18,152.24 = 8,899.07 : x
  2. Step 2: Convert to fraction form
    13,150.08/18,152.24 = 8,899.07/x
  3. Step 3: Cross multiply
    13,150.08x = 18,152.24 × 8,899.07
  4. Step 4: Simplify right side
    13,150.08x = 161,537,919.16
  5. Step 5: Solve for x
    x = 161,537,919.16/13,150.08
  6. Step 6: Final answer
    x = 12,284.18

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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.