Home / 45,382.84-68,074.28-14,220.52

Finding the Fourth Proportional to 45,382.84, 68,074.28 and 14,220.52

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Solution

The fourth proportional to 45,382.84, 68,074.28 and 14,220.52 is: 21,330.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,382.84 : 68,074.28 = 14,220.52 : x
  2. Step 2: Convert to fraction form
    45,382.84/68,074.28 = 14,220.52/x
  3. Step 3: Cross multiply
    45,382.84x = 68,074.28 × 14,220.52
  4. Step 4: Simplify right side
    45,382.84x = 968,051,660.23
  5. Step 5: Solve for x
    x = 968,051,660.23/45,382.84
  6. Step 6: Final answer
    x = 21,330.79

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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.