Home / 14,465.58-19,962.54-8,178

Finding the Fourth Proportional to 14,465.58, 19,962.54 and 8,178

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Solution

The fourth proportional to 14,465.58, 19,962.54 and 8,178 is: 11,285.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,465.58 : 19,962.54 = 8,178 : x
  2. Step 2: Convert to fraction form
    14,465.58/19,962.54 = 8,178/x
  3. Step 3: Cross multiply
    14,465.58x = 19,962.54 × 8,178
  4. Step 4: Simplify right side
    14,465.58x = 163,253,652.12
  5. Step 5: Solve for x
    x = 163,253,652.12/14,465.58
  6. Step 6: Final answer
    x = 11,285.66

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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.