Home / 14,904.39-20,568.57-8,190.26

Finding the Fourth Proportional to 14,904.39, 20,568.57 and 8,190.26

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Solution

The fourth proportional to 14,904.39, 20,568.57 and 8,190.26 is: 11,302.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,904.39 : 20,568.57 = 8,190.26 : x
  2. Step 2: Convert to fraction form
    14,904.39/20,568.57 = 8,190.26/x
  3. Step 3: Cross multiply
    14,904.39x = 20,568.57 × 8,190.26
  4. Step 4: Simplify right side
    14,904.39x = 168,461,895.18
  5. Step 5: Solve for x
    x = 168,461,895.18/14,904.39
  6. Step 6: Final answer
    x = 11,302.84

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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.