Home / 14,307.72-19,743.66-7,934.64

Finding the Fourth Proportional to 14,307.72, 19,743.66 and 7,934.64

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Solution

The fourth proportional to 14,307.72, 19,743.66 and 7,934.64 is: 10,949.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,307.72 : 19,743.66 = 7,934.64 : x
  2. Step 2: Convert to fraction form
    14,307.72/19,743.66 = 7,934.64/x
  3. Step 3: Cross multiply
    14,307.72x = 19,743.66 × 7,934.64
  4. Step 4: Simplify right side
    14,307.72x = 156,658,834.38
  5. Step 5: Solve for x
    x = 156,658,834.38/14,307.72
  6. Step 6: Final answer
    x = 10,949.25

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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.