Home / 17,217.07-23,782.98-13,487.43

Finding the Fourth Proportional to 17,217.07, 23,782.98 and 13,487.43

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Solution

The fourth proportional to 17,217.07, 23,782.98 and 13,487.43 is: 18,631.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,217.07 : 23,782.98 = 13,487.43 : x
  2. Step 2: Convert to fraction form
    17,217.07/23,782.98 = 13,487.43/x
  3. Step 3: Cross multiply
    17,217.07x = 23,782.98 × 13,487.43
  4. Step 4: Simplify right side
    17,217.07x = 320,771,277.94
  5. Step 5: Solve for x
    x = 320,771,277.94/17,217.07
  6. Step 6: Final answer
    x = 18,631.00

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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.