Home / 30,369.12-45,522.24-14,767.36

Finding the Fourth Proportional to 30,369.12, 45,522.24 and 14,767.36

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Solution

The fourth proportional to 30,369.12, 45,522.24 and 14,767.36 is: 22,135.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,369.12 : 45,522.24 = 14,767.36 : x
  2. Step 2: Convert to fraction form
    30,369.12/45,522.24 = 14,767.36/x
  3. Step 3: Cross multiply
    30,369.12x = 45,522.24 × 14,767.36
  4. Step 4: Simplify right side
    30,369.12x = 672,243,306.09
  5. Step 5: Solve for x
    x = 672,243,306.09/30,369.12
  6. Step 6: Final answer
    x = 22,135.75

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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.