Home / 14,830.79-20,466.48-8,116.41

Finding the Fourth Proportional to 14,830.79, 20,466.48 and 8,116.41

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Solution

The fourth proportional to 14,830.79, 20,466.48 and 8,116.41 is: 11,200.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,830.79 : 20,466.48 = 8,116.41 : x
  2. Step 2: Convert to fraction form
    14,830.79/20,466.48 = 8,116.41/x
  3. Step 3: Cross multiply
    14,830.79x = 20,466.48 × 8,116.41
  4. Step 4: Simplify right side
    14,830.79x = 166,114,342.94
  5. Step 5: Solve for x
    x = 166,114,342.94/14,830.79
  6. Step 6: Final answer
    x = 11,200.64

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1.5x scale

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.