Home / 14,814.08-20,448.32-8,528

Finding the Fourth Proportional to 14,814.08, 20,448.32 and 8,528

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Solution

The fourth proportional to 14,814.08, 20,448.32 and 8,528 is: 11,771.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,814.08 : 20,448.32 = 8,528 : x
  2. Step 2: Convert to fraction form
    14,814.08/20,448.32 = 8,528/x
  3. Step 3: Cross multiply
    14,814.08x = 20,448.32 × 8,528
  4. Step 4: Simplify right side
    14,814.08x = 174,383,272.96
  5. Step 5: Solve for x
    x = 174,383,272.96/14,814.08
  6. Step 6: Final answer
    x = 11,771.45

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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.