Home / 18,455.04-25,467.60-10,071.60

Finding the Fourth Proportional to 18,455.04, 25,467.60 and 10,071.60

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Solution

The fourth proportional to 18,455.04, 25,467.60 and 10,071.60 is: 13,898.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455.04 : 25,467.60 = 10,071.60 : x
  2. Step 2: Convert to fraction form
    18,455.04/25,467.60 = 10,071.60/x
  3. Step 3: Cross multiply
    18,455.04x = 25,467.60 × 10,071.60
  4. Step 4: Simplify right side
    18,455.04x = 256,499,480.16
  5. Step 5: Solve for x
    x = 256,499,480.16/18,455.04
  6. Step 6: Final answer
    x = 13,898.61

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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.