Home / 12,337.53-18,389.00-11,636.93

Finding the Fourth Proportional to 12,337.53, 18,389.00 and 11,636.93

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Solution

The fourth proportional to 12,337.53, 18,389.00 and 11,636.93 is: 17,344.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,337.53 : 18,389.00 = 11,636.93 : x
  2. Step 2: Convert to fraction form
    12,337.53/18,389.00 = 11,636.93/x
  3. Step 3: Cross multiply
    12,337.53x = 18,389.00 × 11,636.93
  4. Step 4: Simplify right side
    12,337.53x = 213,991,355.64
  5. Step 5: Solve for x
    x = 213,991,355.64/12,337.53
  6. Step 6: Final answer
    x = 17,344.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.