Home / 19,435.93-26,756.78-18,543.29

Finding the Fourth Proportional to 19,435.93, 26,756.78 and 18,543.29

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Solution

The fourth proportional to 19,435.93, 26,756.78 and 18,543.29 is: 25,527.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,435.93 : 26,756.78 = 18,543.29 : x
  2. Step 2: Convert to fraction form
    19,435.93/26,756.78 = 18,543.29/x
  3. Step 3: Cross multiply
    19,435.93x = 26,756.78 × 18,543.29
  4. Step 4: Simplify right side
    19,435.93x = 496,158,608.81
  5. Step 5: Solve for x
    x = 496,158,608.81/19,435.93
  6. Step 6: Final answer
    x = 25,527.90

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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.