Home / 19,160.09-26,438.62-10,660.05

Finding the Fourth Proportional to 19,160.09, 26,438.62 and 10,660.05

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Solution

The fourth proportional to 19,160.09, 26,438.62 and 10,660.05 is: 14,709.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,160.09 : 26,438.62 = 10,660.05 : x
  2. Step 2: Convert to fraction form
    19,160.09/26,438.62 = 10,660.05/x
  3. Step 3: Cross multiply
    19,160.09x = 26,438.62 × 10,660.05
  4. Step 4: Simplify right side
    19,160.09x = 281,836,825.64
  5. Step 5: Solve for x
    x = 281,836,825.64/19,160.09
  6. Step 6: Final answer
    x = 14,709.58

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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.