Home / 14,303.42-21,455.06-3,629.78

Finding the Fourth Proportional to 14,303.42, 21,455.06 and 3,629.78

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Solution

The fourth proportional to 14,303.42, 21,455.06 and 3,629.78 is: 5,444.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,303.42 : 21,455.06 = 3,629.78 : x
  2. Step 2: Convert to fraction form
    14,303.42/21,455.06 = 3,629.78/x
  3. Step 3: Cross multiply
    14,303.42x = 21,455.06 × 3,629.78
  4. Step 4: Simplify right side
    14,303.42x = 77,877,022.26
  5. Step 5: Solve for x
    x = 77,877,022.26/14,303.42
  6. Step 6: Final answer
    x = 5,444.65

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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.