Home / 22,418.76-30,944.34-14,988.36

Finding the Fourth Proportional to 22,418.76, 30,944.34 and 14,988.36

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Solution

The fourth proportional to 22,418.76, 30,944.34 and 14,988.36 is: 20,688.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,418.76 : 30,944.34 = 14,988.36 : x
  2. Step 2: Convert to fraction form
    22,418.76/30,944.34 = 14,988.36/x
  3. Step 3: Cross multiply
    22,418.76x = 30,944.34 × 14,988.36
  4. Step 4: Simplify right side
    22,418.76x = 463,804,907.88
  5. Step 5: Solve for x
    x = 463,804,907.88/22,418.76
  6. Step 6: Final answer
    x = 20,688.25

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Double scale
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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.