Home / 17,312.89-23,890.35-9,761.08

Finding the Fourth Proportional to 17,312.89, 23,890.35 and 9,761.08

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Solution

The fourth proportional to 17,312.89, 23,890.35 and 9,761.08 is: 13,469.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,312.89 : 23,890.35 = 9,761.08 : x
  2. Step 2: Convert to fraction form
    17,312.89/23,890.35 = 9,761.08/x
  3. Step 3: Cross multiply
    17,312.89x = 23,890.35 × 9,761.08
  4. Step 4: Simplify right side
    17,312.89x = 233,195,538.10
  5. Step 5: Solve for x
    x = 233,195,538.10/17,312.89
  6. Step 6: Final answer
    x = 13,469.48

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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.