Home / 18,239.08-25,170.08-10,281.48

Finding the Fourth Proportional to 18,239.08, 25,170.08 and 10,281.48

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Solution

The fourth proportional to 18,239.08, 25,170.08 and 10,281.48 is: 14,188.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,239.08 : 25,170.08 = 10,281.48 : x
  2. Step 2: Convert to fraction form
    18,239.08/25,170.08 = 10,281.48/x
  3. Step 3: Cross multiply
    18,239.08x = 25,170.08 × 10,281.48
  4. Step 4: Simplify right side
    18,239.08x = 258,785,674.12
  5. Step 5: Solve for x
    x = 258,785,674.12/18,239.08
  6. Step 6: Final answer
    x = 14,188.53

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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.