Home / 14,599.84-21,899.88-6,279.28

Finding the Fourth Proportional to 14,599.84, 21,899.88 and 6,279.28

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Solution

The fourth proportional to 14,599.84, 21,899.88 and 6,279.28 is: 9,418.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,599.84 : 21,899.88 = 6,279.28 : x
  2. Step 2: Convert to fraction form
    14,599.84/21,899.88 = 6,279.28/x
  3. Step 3: Cross multiply
    14,599.84x = 21,899.88 × 6,279.28
  4. Step 4: Simplify right side
    14,599.84x = 137,515,478.49
  5. Step 5: Solve for x
    x = 137,515,478.49/14,599.84
  6. Step 6: Final answer
    x = 9,418.97

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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.