Home / 17,748.81-24,485.60-11,691.23

Finding the Fourth Proportional to 17,748.81, 24,485.60 and 11,691.23

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Solution

The fourth proportional to 17,748.81, 24,485.60 and 11,691.23 is: 16,128.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,748.81 : 24,485.60 = 11,691.23 : x
  2. Step 2: Convert to fraction form
    17,748.81/24,485.60 = 11,691.23/x
  3. Step 3: Cross multiply
    17,748.81x = 24,485.60 × 11,691.23
  4. Step 4: Simplify right side
    17,748.81x = 286,266,688.09
  5. Step 5: Solve for x
    x = 286,266,688.09/17,748.81
  6. Step 6: Final answer
    x = 16,128.78

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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.