Home / 20,232.46-27,888.33-12,259.63

Finding the Fourth Proportional to 20,232.46, 27,888.33 and 12,259.63

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Solution

The fourth proportional to 20,232.46, 27,888.33 and 12,259.63 is: 16,898.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,232.46 : 27,888.33 = 12,259.63 : x
  2. Step 2: Convert to fraction form
    20,232.46/27,888.33 = 12,259.63/x
  3. Step 3: Cross multiply
    20,232.46x = 27,888.33 × 12,259.63
  4. Step 4: Simplify right side
    20,232.46x = 341,900,607.12
  5. Step 5: Solve for x
    x = 341,900,607.12/20,232.46
  6. Step 6: Final answer
    x = 16,898.62

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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.