Home / 14,307.20-21,466.70-7,725.63

Finding the Fourth Proportional to 14,307.20, 21,466.70 and 7,725.63

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Solution

The fourth proportional to 14,307.20, 21,466.70 and 7,725.63 is: 11,591.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,307.20 : 21,466.70 = 7,725.63 : x
  2. Step 2: Convert to fraction form
    14,307.20/21,466.70 = 7,725.63/x
  3. Step 3: Cross multiply
    14,307.20x = 21,466.70 × 7,725.63
  4. Step 4: Simplify right side
    14,307.20x = 165,843,742.89
  5. Step 5: Solve for x
    x = 165,843,742.89/14,307.20
  6. Step 6: Final answer
    x = 11,591.63

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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.