Home / 14,782.47-22,161.93-8,535.40

Finding the Fourth Proportional to 14,782.47, 22,161.93 and 8,535.40

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Solution

The fourth proportional to 14,782.47, 22,161.93 and 8,535.40 is: 12,796.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,782.47 : 22,161.93 = 8,535.40 : x
  2. Step 2: Convert to fraction form
    14,782.47/22,161.93 = 8,535.40/x
  3. Step 3: Cross multiply
    14,782.47x = 22,161.93 × 8,535.40
  4. Step 4: Simplify right side
    14,782.47x = 189,160,958.66
  5. Step 5: Solve for x
    x = 189,160,958.66/14,782.47
  6. Step 6: Final answer
    x = 12,796.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.