Home / 13,487.08-18,626.58-12,021.16

Finding the Fourth Proportional to 13,487.08, 18,626.58 and 12,021.16

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Solution

The fourth proportional to 13,487.08, 18,626.58 and 12,021.16 is: 16,602.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,487.08 : 18,626.58 = 12,021.16 : x
  2. Step 2: Convert to fraction form
    13,487.08/18,626.58 = 12,021.16/x
  3. Step 3: Cross multiply
    13,487.08x = 18,626.58 × 12,021.16
  4. Step 4: Simplify right side
    13,487.08x = 223,913,098.43
  5. Step 5: Solve for x
    x = 223,913,098.43/13,487.08
  6. Step 6: Final answer
    x = 16,602.04

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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.