Home / 22,290.48-30,762.86-14,351.67

Finding the Fourth Proportional to 22,290.48, 30,762.86 and 14,351.67

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Solution

The fourth proportional to 22,290.48, 30,762.86 and 14,351.67 is: 19,806.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,290.48 : 30,762.86 = 14,351.67 : x
  2. Step 2: Convert to fraction form
    22,290.48/30,762.86 = 14,351.67/x
  3. Step 3: Cross multiply
    22,290.48x = 30,762.86 × 14,351.67
  4. Step 4: Simplify right side
    22,290.48x = 441,498,343.22
  5. Step 5: Solve for x
    x = 441,498,343.22/22,290.48
  6. Step 6: Final answer
    x = 19,806.59

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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.