Home / 19,975.84-27,555.60-14,016.40

Finding the Fourth Proportional to 19,975.84, 27,555.60 and 14,016.40

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Solution

The fourth proportional to 19,975.84, 27,555.60 and 14,016.40 is: 19,334.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,975.84 : 27,555.60 = 14,016.40 : x
  2. Step 2: Convert to fraction form
    19,975.84/27,555.60 = 14,016.40/x
  3. Step 3: Cross multiply
    19,975.84x = 27,555.60 × 14,016.40
  4. Step 4: Simplify right side
    19,975.84x = 386,230,311.84
  5. Step 5: Solve for x
    x = 386,230,311.84/19,975.84
  6. Step 6: Final answer
    x = 19,334.87

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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.