Home / 21,998.07-30,328.77-14,026.47

Finding the Fourth Proportional to 21,998.07, 30,328.77 and 14,026.47

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Solution

The fourth proportional to 21,998.07, 30,328.77 and 14,026.47 is: 19,338.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,998.07 : 30,328.77 = 14,026.47 : x
  2. Step 2: Convert to fraction form
    21,998.07/30,328.77 = 14,026.47/x
  3. Step 3: Cross multiply
    21,998.07x = 30,328.77 × 14,026.47
  4. Step 4: Simplify right side
    21,998.07x = 425,405,582.54
  5. Step 5: Solve for x
    x = 425,405,582.54/21,998.07
  6. Step 6: Final answer
    x = 19,338.31

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Half scale
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Double scale
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Similar ratio
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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.