Home / 18,541.50-25,587.81-10,158.54

Finding the Fourth Proportional to 18,541.50, 25,587.81 and 10,158.54

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Solution

The fourth proportional to 18,541.50, 25,587.81 and 10,158.54 is: 14,019.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,541.50 : 25,587.81 = 10,158.54 : x
  2. Step 2: Convert to fraction form
    18,541.50/25,587.81 = 10,158.54/x
  3. Step 3: Cross multiply
    18,541.50x = 25,587.81 × 10,158.54
  4. Step 4: Simplify right side
    18,541.50x = 259,934,791.40
  5. Step 5: Solve for x
    x = 259,934,791.40/18,541.50
  6. Step 6: Final answer
    x = 14,019.08

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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.