Home / 15,574.54-21,492.83-8,768.01

Finding the Fourth Proportional to 15,574.54, 21,492.83 and 8,768.01

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Solution

The fourth proportional to 15,574.54, 21,492.83 and 8,768.01 is: 12,099.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,574.54 : 21,492.83 = 8,768.01 : x
  2. Step 2: Convert to fraction form
    15,574.54/21,492.83 = 8,768.01/x
  3. Step 3: Cross multiply
    15,574.54x = 21,492.83 × 8,768.01
  4. Step 4: Simplify right side
    15,574.54x = 188,449,304.53
  5. Step 5: Solve for x
    x = 188,449,304.53/15,574.54
  6. Step 6: Final answer
    x = 12,099.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.