Home / 18,325.79-25,293.54-11,158.07

Finding the Fourth Proportional to 18,325.79, 25,293.54 and 11,158.07

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Solution

The fourth proportional to 18,325.79, 25,293.54 and 11,158.07 is: 15,400.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,325.79 : 25,293.54 = 11,158.07 : x
  2. Step 2: Convert to fraction form
    18,325.79/25,293.54 = 11,158.07/x
  3. Step 3: Cross multiply
    18,325.79x = 25,293.54 × 11,158.07
  4. Step 4: Simplify right side
    18,325.79x = 282,227,153.10
  5. Step 5: Solve for x
    x = 282,227,153.10/18,325.79
  6. Step 6: Final answer
    x = 15,400.54

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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.