Home / 14,241.45-21,364.20-4,378.08

Finding the Fourth Proportional to 14,241.45, 21,364.20 and 4,378.08

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Solution

The fourth proportional to 14,241.45, 21,364.20 and 4,378.08 is: 6,567.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,241.45 : 21,364.20 = 4,378.08 : x
  2. Step 2: Convert to fraction form
    14,241.45/21,364.20 = 4,378.08/x
  3. Step 3: Cross multiply
    14,241.45x = 21,364.20 × 4,378.08
  4. Step 4: Simplify right side
    14,241.45x = 93,534,176.74
  5. Step 5: Solve for x
    x = 93,534,176.74/14,241.45
  6. Step 6: Final answer
    x = 6,567.74

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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.