Home / 21,624.74-32,222.14-19,266.63

Finding the Fourth Proportional to 21,624.74, 32,222.14 and 19,266.63

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Solution

The fourth proportional to 21,624.74, 32,222.14 and 19,266.63 is: 28,708.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,624.74 : 32,222.14 = 19,266.63 : x
  2. Step 2: Convert to fraction form
    21,624.74/32,222.14 = 19,266.63/x
  3. Step 3: Cross multiply
    21,624.74x = 32,222.14 × 19,266.63
  4. Step 4: Simplify right side
    21,624.74x = 620,812,049.19
  5. Step 5: Solve for x
    x = 620,812,049.19/21,624.74
  6. Step 6: Final answer
    x = 28,708.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.