Home / 14,556.46-20,087.04-8,590

Finding the Fourth Proportional to 14,556.46, 20,087.04 and 8,590

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Solution

The fourth proportional to 14,556.46, 20,087.04 and 8,590 is: 11,853.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,556.46 : 20,087.04 = 8,590 : x
  2. Step 2: Convert to fraction form
    14,556.46/20,087.04 = 8,590/x
  3. Step 3: Cross multiply
    14,556.46x = 20,087.04 × 8,590
  4. Step 4: Simplify right side
    14,556.46x = 172,547,673.60
  5. Step 5: Solve for x
    x = 172,547,673.60/14,556.46
  6. Step 6: Final answer
    x = 11,853.68

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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.