Home / 17,389.98-23,997.75-9,937.50

Finding the Fourth Proportional to 17,389.98, 23,997.75 and 9,937.50

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Solution

The fourth proportional to 17,389.98, 23,997.75 and 9,937.50 is: 13,713.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,389.98 : 23,997.75 = 9,937.50 : x
  2. Step 2: Convert to fraction form
    17,389.98/23,997.75 = 9,937.50/x
  3. Step 3: Cross multiply
    17,389.98x = 23,997.75 × 9,937.50
  4. Step 4: Simplify right side
    17,389.98x = 238,477,640.63
  5. Step 5: Solve for x
    x = 238,477,640.63/17,389.98
  6. Step 6: Final answer
    x = 13,713.51

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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.