Home / 15,436.83-23,156.66-7,119.14

Finding the Fourth Proportional to 15,436.83, 23,156.66 and 7,119.14

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Solution

The fourth proportional to 15,436.83, 23,156.66 and 7,119.14 is: 10,679.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,436.83 : 23,156.66 = 7,119.14 : x
  2. Step 2: Convert to fraction form
    15,436.83/23,156.66 = 7,119.14/x
  3. Step 3: Cross multiply
    15,436.83x = 23,156.66 × 7,119.14
  4. Step 4: Simplify right side
    15,436.83x = 164,855,580.16
  5. Step 5: Solve for x
    x = 164,855,580.16/15,436.83
  6. Step 6: Final answer
    x = 10,679.37

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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.