Home / 23,211.51-34,852.79-20,461.35

Finding the Fourth Proportional to 23,211.51, 34,852.79 and 20,461.35

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Solution

The fourth proportional to 23,211.51, 34,852.79 and 20,461.35 is: 30,723.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,211.51 : 34,852.79 = 20,461.35 : x
  2. Step 2: Convert to fraction form
    23,211.51/34,852.79 = 20,461.35/x
  3. Step 3: Cross multiply
    23,211.51x = 34,852.79 × 20,461.35
  4. Step 4: Simplify right side
    23,211.51x = 713,135,134.67
  5. Step 5: Solve for x
    x = 713,135,134.67/23,211.51
  6. Step 6: Final answer
    x = 30,723.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.