Home / 14,205.12-21,307.65-4,344.40

Finding the Fourth Proportional to 14,205.12, 21,307.65 and 4,344.40

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Solution

The fourth proportional to 14,205.12, 21,307.65 and 4,344.40 is: 6,516.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,205.12 : 21,307.65 = 4,344.40 : x
  2. Step 2: Convert to fraction form
    14,205.12/21,307.65 = 4,344.40/x
  3. Step 3: Cross multiply
    14,205.12x = 21,307.65 × 4,344.40
  4. Step 4: Simplify right side
    14,205.12x = 92,568,954.66
  5. Step 5: Solve for x
    x = 92,568,954.66/14,205.12
  6. Step 6: Final answer
    x = 6,516.59

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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.