Home / 18,761.73-25,888.32-10,802.67

Finding the Fourth Proportional to 18,761.73, 25,888.32 and 10,802.67

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Solution

The fourth proportional to 18,761.73, 25,888.32 and 10,802.67 is: 14,906.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,761.73 : 25,888.32 = 10,802.67 : x
  2. Step 2: Convert to fraction form
    18,761.73/25,888.32 = 10,802.67/x
  3. Step 3: Cross multiply
    18,761.73x = 25,888.32 × 10,802.67
  4. Step 4: Simplify right side
    18,761.73x = 279,662,977.81
  5. Step 5: Solve for x
    x = 279,662,977.81/18,761.73
  6. Step 6: Final answer
    x = 14,906.03

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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.