Home / 12,968.36-19,451.89-4,648.24

Finding the Fourth Proportional to 12,968.36, 19,451.89 and 4,648.24

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Solution

The fourth proportional to 12,968.36, 19,451.89 and 4,648.24 is: 6,972.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,968.36 : 19,451.89 = 4,648.24 : x
  2. Step 2: Convert to fraction form
    12,968.36/19,451.89 = 4,648.24/x
  3. Step 3: Cross multiply
    12,968.36x = 19,451.89 × 4,648.24
  4. Step 4: Simplify right side
    12,968.36x = 90,417,053.17
  5. Step 5: Solve for x
    x = 90,417,053.17/12,968.36
  6. Step 6: Final answer
    x = 6,972.13

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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.