Home / 18,211.38-25,123.89-10,446.06

Finding the Fourth Proportional to 18,211.38, 25,123.89 and 10,446.06

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Solution

The fourth proportional to 18,211.38, 25,123.89 and 10,446.06 is: 14,411.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,211.38 : 25,123.89 = 10,446.06 : x
  2. Step 2: Convert to fraction form
    18,211.38/25,123.89 = 10,446.06/x
  3. Step 3: Cross multiply
    18,211.38x = 25,123.89 × 10,446.06
  4. Step 4: Simplify right side
    18,211.38x = 262,445,662.37
  5. Step 5: Solve for x
    x = 262,445,662.37/18,211.38
  6. Step 6: Final answer
    x = 14,411.08

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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.