Home / 14,621.50-21,934.53-4,758.45

Finding the Fourth Proportional to 14,621.50, 21,934.53 and 4,758.45

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Solution

The fourth proportional to 14,621.50, 21,934.53 and 4,758.45 is: 7,138.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,621.50 : 21,934.53 = 4,758.45 : x
  2. Step 2: Convert to fraction form
    14,621.50/21,934.53 = 4,758.45/x
  3. Step 3: Cross multiply
    14,621.50x = 21,934.53 × 4,758.45
  4. Step 4: Simplify right side
    14,621.50x = 104,374,364.28
  5. Step 5: Solve for x
    x = 104,374,364.28/14,621.50
  6. Step 6: Final answer
    x = 7,138.42

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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.