Home / 13,934.51-19,229.96-7,966.74

Finding the Fourth Proportional to 13,934.51, 19,229.96 and 7,966.74

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Solution

The fourth proportional to 13,934.51, 19,229.96 and 7,966.74 is: 10,994.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,934.51 : 19,229.96 = 7,966.74 : x
  2. Step 2: Convert to fraction form
    13,934.51/19,229.96 = 7,966.74/x
  3. Step 3: Cross multiply
    13,934.51x = 19,229.96 × 7,966.74
  4. Step 4: Simplify right side
    13,934.51x = 153,200,051.70
  5. Step 5: Solve for x
    x = 153,200,051.70/13,934.51
  6. Step 6: Final answer
    x = 10,994.29

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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.