Home / 14,981.99-20,762.54-14,770.58

Finding the Fourth Proportional to 14,981.99, 20,762.54 and 14,770.58

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Solution

The fourth proportional to 14,981.99, 20,762.54 and 14,770.58 is: 20,469.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,981.99 : 20,762.54 = 14,770.58 : x
  2. Step 2: Convert to fraction form
    14,981.99/20,762.54 = 14,770.58/x
  3. Step 3: Cross multiply
    14,981.99x = 20,762.54 × 14,770.58
  4. Step 4: Simplify right side
    14,981.99x = 306,674,580.41
  5. Step 5: Solve for x
    x = 306,674,580.41/14,981.99
  6. Step 6: Final answer
    x = 20,469.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.