Home / 19,499.32-26,910.29-10,998.34

Finding the Fourth Proportional to 19,499.32, 26,910.29 and 10,998.34

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Solution

The fourth proportional to 19,499.32, 26,910.29 and 10,998.34 is: 15,178.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,499.32 : 26,910.29 = 10,998.34 : x
  2. Step 2: Convert to fraction form
    19,499.32/26,910.29 = 10,998.34/x
  3. Step 3: Cross multiply
    19,499.32x = 26,910.29 × 10,998.34
  4. Step 4: Simplify right side
    19,499.32x = 295,968,518.92
  5. Step 5: Solve for x
    x = 295,968,518.92/19,499.32
  6. Step 6: Final answer
    x = 15,178.40

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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.