Home / 19,168.92-26,453.70-10,438.16

Finding the Fourth Proportional to 19,168.92, 26,453.70 and 10,438.16

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Solution

The fourth proportional to 19,168.92, 26,453.70 and 10,438.16 is: 14,404.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,168.92 : 26,453.70 = 10,438.16 : x
  2. Step 2: Convert to fraction form
    19,168.92/26,453.70 = 10,438.16/x
  3. Step 3: Cross multiply
    19,168.92x = 26,453.70 × 10,438.16
  4. Step 4: Simplify right side
    19,168.92x = 276,128,019.33
  5. Step 5: Solve for x
    x = 276,128,019.33/19,168.92
  6. Step 6: Final answer
    x = 14,404.99

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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.