Home / 19,028.19-26,257.96-10,530.15

Finding the Fourth Proportional to 19,028.19, 26,257.96 and 10,530.15

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Solution

The fourth proportional to 19,028.19, 26,257.96 and 10,530.15 is: 14,531.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,028.19 : 26,257.96 = 10,530.15 : x
  2. Step 2: Convert to fraction form
    19,028.19/26,257.96 = 10,530.15/x
  3. Step 3: Cross multiply
    19,028.19x = 26,257.96 × 10,530.15
  4. Step 4: Simplify right side
    19,028.19x = 276,500,257.49
  5. Step 5: Solve for x
    x = 276,500,257.49/19,028.19
  6. Step 6: Final answer
    x = 14,531.09

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Half scale
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Double scale
Find fourth proportional to 19,029.19, 26,259.34 and 10,531.15
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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.