Home / 15,428.16-23,123.73-7,096.71

Finding the Fourth Proportional to 15,428.16, 23,123.73 and 7,096.71

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Solution

The fourth proportional to 15,428.16, 23,123.73 and 7,096.71 is: 10,636.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428.16 : 23,123.73 = 7,096.71 : x
  2. Step 2: Convert to fraction form
    15,428.16/23,123.73 = 7,096.71/x
  3. Step 3: Cross multiply
    15,428.16x = 23,123.73 × 7,096.71
  4. Step 4: Simplify right side
    15,428.16x = 164,102,405.93
  5. Step 5: Solve for x
    x = 164,102,405.93/15,428.16
  6. Step 6: Final answer
    x = 10,636.55

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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.