Home / 17,381.55-23,985.89-9,423.60

Finding the Fourth Proportional to 17,381.55, 23,985.89 and 9,423.60

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Solution

The fourth proportional to 17,381.55, 23,985.89 and 9,423.60 is: 13,004.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,381.55 : 23,985.89 = 9,423.60 : x
  2. Step 2: Convert to fraction form
    17,381.55/23,985.89 = 9,423.60/x
  3. Step 3: Cross multiply
    17,381.55x = 23,985.89 × 9,423.60
  4. Step 4: Simplify right side
    17,381.55x = 226,033,433.00
  5. Step 5: Solve for x
    x = 226,033,433.00/17,381.55
  6. Step 6: Final answer
    x = 13,004.22

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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.