Home / 18,641.56-27,875.94-14,433.88

Finding the Fourth Proportional to 18,641.56, 27,875.94 and 14,433.88

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Solution

The fourth proportional to 18,641.56, 27,875.94 and 14,433.88 is: 21,583.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,641.56 : 27,875.94 = 14,433.88 : x
  2. Step 2: Convert to fraction form
    18,641.56/27,875.94 = 14,433.88/x
  3. Step 3: Cross multiply
    18,641.56x = 27,875.94 × 14,433.88
  4. Step 4: Simplify right side
    18,641.56x = 402,357,972.85
  5. Step 5: Solve for x
    x = 402,357,972.85/18,641.56
  6. Step 6: Final answer
    x = 21,583.92

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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.