Home / 27,912.75-38,510.06-17,298.51

Finding the Fourth Proportional to 27,912.75, 38,510.06 and 17,298.51

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Solution

The fourth proportional to 27,912.75, 38,510.06 and 17,298.51 is: 23,866.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,912.75 : 38,510.06 = 17,298.51 : x
  2. Step 2: Convert to fraction form
    27,912.75/38,510.06 = 17,298.51/x
  3. Step 3: Cross multiply
    27,912.75x = 38,510.06 × 17,298.51
  4. Step 4: Simplify right side
    27,912.75x = 666,166,658.01
  5. Step 5: Solve for x
    x = 666,166,658.01/27,912.75
  6. Step 6: Final answer
    x = 23,866.03

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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.