Home / 21,723.96-32,586.42-18,459.96

Finding the Fourth Proportional to 21,723.96, 32,586.42 and 18,459.96

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Solution

The fourth proportional to 21,723.96, 32,586.42 and 18,459.96 is: 27,690.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,723.96 : 32,586.42 = 18,459.96 : x
  2. Step 2: Convert to fraction form
    21,723.96/32,586.42 = 18,459.96/x
  3. Step 3: Cross multiply
    21,723.96x = 32,586.42 × 18,459.96
  4. Step 4: Simplify right side
    21,723.96x = 601,544,009.74
  5. Step 5: Solve for x
    x = 601,544,009.74/21,723.96
  6. Step 6: Final answer
    x = 27,690.35

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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.