Home / 22,412.08-30,918-14,450.32

Finding the Fourth Proportional to 22,412.08, 30,918 and 14,450.32

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Solution

The fourth proportional to 22,412.08, 30,918 and 14,450.32 is: 19,934.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,412.08 : 30,918 = 14,450.32 : x
  2. Step 2: Convert to fraction form
    22,412.08/30,918 = 14,450.32/x
  3. Step 3: Cross multiply
    22,412.08x = 30,918 × 14,450.32
  4. Step 4: Simplify right side
    22,412.08x = 446,774,993.76
  5. Step 5: Solve for x
    x = 446,774,993.76/22,412.08
  6. Step 6: Final answer
    x = 19,934.56

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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.