Home / 18,630.61-25,709.98-10,132.54

Finding the Fourth Proportional to 18,630.61, 25,709.98 and 10,132.54

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Solution

The fourth proportional to 18,630.61, 25,709.98 and 10,132.54 is: 13,982.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,630.61 : 25,709.98 = 10,132.54 : x
  2. Step 2: Convert to fraction form
    18,630.61/25,709.98 = 10,132.54/x
  3. Step 3: Cross multiply
    18,630.61x = 25,709.98 × 10,132.54
  4. Step 4: Simplify right side
    18,630.61x = 260,507,465.02
  5. Step 5: Solve for x
    x = 260,507,465.02/18,630.61
  6. Step 6: Final answer
    x = 13,982.77

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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.