Home / 17,381.60-23,986.56-9,423.80

Finding the Fourth Proportional to 17,381.60, 23,986.56 and 9,423.80

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Solution

The fourth proportional to 17,381.60, 23,986.56 and 9,423.80 is: 13,004.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,381.60 : 23,986.56 = 9,423.80 : x
  2. Step 2: Convert to fraction form
    17,381.60/23,986.56 = 9,423.80/x
  3. Step 3: Cross multiply
    17,381.60x = 23,986.56 × 9,423.80
  4. Step 4: Simplify right side
    17,381.60x = 226,044,544.13
  5. Step 5: Solve for x
    x = 226,044,544.13/17,381.60
  6. Step 6: Final answer
    x = 13,004.82

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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.