Home / 20,057.61-30,115.58-14,808.81

Finding the Fourth Proportional to 20,057.61, 30,115.58 and 14,808.81

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Solution

The fourth proportional to 20,057.61, 30,115.58 and 14,808.81 is: 22,234.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,057.61 : 30,115.58 = 14,808.81 : x
  2. Step 2: Convert to fraction form
    20,057.61/30,115.58 = 14,808.81/x
  3. Step 3: Cross multiply
    20,057.61x = 30,115.58 × 14,808.81
  4. Step 4: Simplify right side
    20,057.61x = 445,975,828.22
  5. Step 5: Solve for x
    x = 445,975,828.22/20,057.61
  6. Step 6: Final answer
    x = 22,234.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.