Home / 17,381.25-23,986.15-9,423.47

Finding the Fourth Proportional to 17,381.25, 23,986.15 and 9,423.47

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Solution

The fourth proportional to 17,381.25, 23,986.15 and 9,423.47 is: 13,004.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,381.25 : 23,986.15 = 9,423.47 : x
  2. Step 2: Convert to fraction form
    17,381.25/23,986.15 = 9,423.47/x
  3. Step 3: Cross multiply
    17,381.25x = 23,986.15 × 9,423.47
  4. Step 4: Simplify right side
    17,381.25x = 226,032,801.35
  5. Step 5: Solve for x
    x = 226,032,801.35/17,381.25
  6. Step 6: Final answer
    x = 13,004.40

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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.