Home / 12,876.06-19,320.30-7,032.51

Finding the Fourth Proportional to 12,876.06, 19,320.30 and 7,032.51

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Solution

The fourth proportional to 12,876.06, 19,320.30 and 7,032.51 is: 10,552.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,876.06 : 19,320.30 = 7,032.51 : x
  2. Step 2: Convert to fraction form
    12,876.06/19,320.30 = 7,032.51/x
  3. Step 3: Cross multiply
    12,876.06x = 19,320.30 × 7,032.51
  4. Step 4: Simplify right side
    12,876.06x = 135,870,202.95
  5. Step 5: Solve for x
    x = 135,870,202.95/12,876.06
  6. Step 6: Final answer
    x = 10,552.16

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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.