Home / 22,074.96-30,462.84-12,644.40

Finding the Fourth Proportional to 22,074.96, 30,462.84 and 12,644.40

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Solution

The fourth proportional to 22,074.96, 30,462.84 and 12,644.40 is: 17,448.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,074.96 : 30,462.84 = 12,644.40 : x
  2. Step 2: Convert to fraction form
    22,074.96/30,462.84 = 12,644.40/x
  3. Step 3: Cross multiply
    22,074.96x = 30,462.84 × 12,644.40
  4. Step 4: Simplify right side
    22,074.96x = 385,184,334.10
  5. Step 5: Solve for x
    x = 385,184,334.10/22,074.96
  6. Step 6: Final answer
    x = 17,448.93

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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.