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Finding the Fourth Proportional to 19,157.51, 26,437.39 and 10,660.41

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Solution

The fourth proportional to 19,157.51, 26,437.39 and 10,660.41 is: 14,711.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,157.51 : 26,437.39 = 10,660.41 : x
  2. Step 2: Convert to fraction form
    19,157.51/26,437.39 = 10,660.41/x
  3. Step 3: Cross multiply
    19,157.51x = 26,437.39 × 10,660.41
  4. Step 4: Simplify right side
    19,157.51x = 281,833,390.08
  5. Step 5: Solve for x
    x = 281,833,390.08/19,157.51
  6. Step 6: Final answer
    x = 14,711.38

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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.