Home / 14,445.34-21,661.53-4,582.78

Finding the Fourth Proportional to 14,445.34, 21,661.53 and 4,582.78

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Solution

The fourth proportional to 14,445.34, 21,661.53 and 4,582.78 is: 6,872.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,445.34 : 21,661.53 = 4,582.78 : x
  2. Step 2: Convert to fraction form
    14,445.34/21,661.53 = 4,582.78/x
  3. Step 3: Cross multiply
    14,445.34x = 21,661.53 × 4,582.78
  4. Step 4: Simplify right side
    14,445.34x = 99,270,026.45
  5. Step 5: Solve for x
    x = 99,270,026.45/14,445.34
  6. Step 6: Final answer
    x = 6,872.11

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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.