Home / 19,157.05-26,436.34-10,659

Finding the Fourth Proportional to 19,157.05, 26,436.34 and 10,659

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Solution

The fourth proportional to 19,157.05, 26,436.34 and 10,659 is: 14,709.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,157.05 : 26,436.34 = 10,659 : x
  2. Step 2: Convert to fraction form
    19,157.05/26,436.34 = 10,659/x
  3. Step 3: Cross multiply
    19,157.05x = 26,436.34 × 10,659
  4. Step 4: Simplify right side
    19,157.05x = 281,784,948.06
  5. Step 5: Solve for x
    x = 281,784,948.06/19,157.05
  6. Step 6: Final answer
    x = 14,709.20

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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.