Home / 14,582.60-21,890.10-9,042.20

Finding the Fourth Proportional to 14,582.60, 21,890.10 and 9,042.20

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Solution

The fourth proportional to 14,582.60, 21,890.10 and 9,042.20 is: 13,573.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,582.60 : 21,890.10 = 9,042.20 : x
  2. Step 2: Convert to fraction form
    14,582.60/21,890.10 = 9,042.20/x
  3. Step 3: Cross multiply
    14,582.60x = 21,890.10 × 9,042.20
  4. Step 4: Simplify right side
    14,582.60x = 197,934,662.22
  5. Step 5: Solve for x
    x = 197,934,662.22/14,582.60
  6. Step 6: Final answer
    x = 13,573.35

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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.