Home / 18,503.43-25,533.18-10,439.07

Finding the Fourth Proportional to 18,503.43, 25,533.18 and 10,439.07

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Solution

The fourth proportional to 18,503.43, 25,533.18 and 10,439.07 is: 14,405.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,503.43 : 25,533.18 = 10,439.07 : x
  2. Step 2: Convert to fraction form
    18,503.43/25,533.18 = 10,439.07/x
  3. Step 3: Cross multiply
    18,503.43x = 25,533.18 × 10,439.07
  4. Step 4: Simplify right side
    18,503.43x = 266,542,653.34
  5. Step 5: Solve for x
    x = 266,542,653.34/18,503.43
  6. Step 6: Final answer
    x = 14,405.04

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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.