Home / 21,769.34-29,999.58-14,683.46

Finding the Fourth Proportional to 21,769.34, 29,999.58 and 14,683.46

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Solution

The fourth proportional to 21,769.34, 29,999.58 and 14,683.46 is: 20,234.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,769.34 : 29,999.58 = 14,683.46 : x
  2. Step 2: Convert to fraction form
    21,769.34/29,999.58 = 14,683.46/x
  3. Step 3: Cross multiply
    21,769.34x = 29,999.58 × 14,683.46
  4. Step 4: Simplify right side
    21,769.34x = 440,497,632.95
  5. Step 5: Solve for x
    x = 440,497,632.95/21,769.34
  6. Step 6: Final answer
    x = 20,234.77

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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.