Home / 13,026.09-17,976.77-7,360.70

Finding the Fourth Proportional to 13,026.09, 17,976.77 and 7,360.70

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Solution

The fourth proportional to 13,026.09, 17,976.77 and 7,360.70 is: 10,158.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026.09 : 17,976.77 = 7,360.70 : x
  2. Step 2: Convert to fraction form
    13,026.09/17,976.77 = 7,360.70/x
  3. Step 3: Cross multiply
    13,026.09x = 17,976.77 × 7,360.70
  4. Step 4: Simplify right side
    13,026.09x = 132,321,484.25
  5. Step 5: Solve for x
    x = 132,321,484.25/13,026.09
  6. Step 6: Final answer
    x = 10,158.19

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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.