Home / 19,123.23-26,382.90-12,410.34

Finding the Fourth Proportional to 19,123.23, 26,382.90 and 12,410.34

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Solution

The fourth proportional to 19,123.23, 26,382.90 and 12,410.34 is: 17,121.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,123.23 : 26,382.90 = 12,410.34 : x
  2. Step 2: Convert to fraction form
    19,123.23/26,382.90 = 12,410.34/x
  3. Step 3: Cross multiply
    19,123.23x = 26,382.90 × 12,410.34
  4. Step 4: Simplify right side
    19,123.23x = 327,420,759.19
  5. Step 5: Solve for x
    x = 327,420,759.19/19,123.23
  6. Step 6: Final answer
    x = 17,121.62

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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.