Home / 14,424.58-21,628.14-7,021.63

Finding the Fourth Proportional to 14,424.58, 21,628.14 and 7,021.63

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Solution

The fourth proportional to 14,424.58, 21,628.14 and 7,021.63 is: 10,528.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,424.58 : 21,628.14 = 7,021.63 : x
  2. Step 2: Convert to fraction form
    14,424.58/21,628.14 = 7,021.63/x
  3. Step 3: Cross multiply
    14,424.58x = 21,628.14 × 7,021.63
  4. Step 4: Simplify right side
    14,424.58x = 151,864,796.67
  5. Step 5: Solve for x
    x = 151,864,796.67/14,424.58
  6. Step 6: Final answer
    x = 10,528.20

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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.