Home / 14,310.84-21,458.76-5,989.32

Finding the Fourth Proportional to 14,310.84, 21,458.76 and 5,989.32

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Solution

The fourth proportional to 14,310.84, 21,458.76 and 5,989.32 is: 8,980.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,310.84 : 21,458.76 = 5,989.32 : x
  2. Step 2: Convert to fraction form
    14,310.84/21,458.76 = 5,989.32/x
  3. Step 3: Cross multiply
    14,310.84x = 21,458.76 × 5,989.32
  4. Step 4: Simplify right side
    14,310.84x = 128,523,380.44
  5. Step 5: Solve for x
    x = 128,523,380.44/14,310.84
  6. Step 6: Final answer
    x = 8,980.84

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1.5x scale

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.