Home / 14,307.51-19,744.59-7,934.36

Finding the Fourth Proportional to 14,307.51, 19,744.59 and 7,934.36

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Solution

The fourth proportional to 14,307.51, 19,744.59 and 7,934.36 is: 10,949.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,307.51 : 19,744.59 = 7,934.36 : x
  2. Step 2: Convert to fraction form
    14,307.51/19,744.59 = 7,934.36/x
  3. Step 3: Cross multiply
    14,307.51x = 19,744.59 × 7,934.36
  4. Step 4: Simplify right side
    14,307.51x = 156,660,660.43
  5. Step 5: Solve for x
    x = 156,660,660.43/14,307.51
  6. Step 6: Final answer
    x = 10,949.54

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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.