Home / 21,707.84-32,561.78-6,123.44

Finding the Fourth Proportional to 21,707.84, 32,561.78 and 6,123.44

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Solution

The fourth proportional to 21,707.84, 32,561.78 and 6,123.44 is: 9,185.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,707.84 : 32,561.78 = 6,123.44 : x
  2. Step 2: Convert to fraction form
    21,707.84/32,561.78 = 6,123.44/x
  3. Step 3: Cross multiply
    21,707.84x = 32,561.78 × 6,123.44
  4. Step 4: Simplify right side
    21,707.84x = 199,390,106.12
  5. Step 5: Solve for x
    x = 199,390,106.12/21,707.84
  6. Step 6: Final answer
    x = 9,185.17

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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.