Home / 18,145.47-25,043.34-10,188.24

Finding the Fourth Proportional to 18,145.47, 25,043.34 and 10,188.24

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Solution

The fourth proportional to 18,145.47, 25,043.34 and 10,188.24 is: 14,061.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145.47 : 25,043.34 = 10,188.24 : x
  2. Step 2: Convert to fraction form
    18,145.47/25,043.34 = 10,188.24/x
  3. Step 3: Cross multiply
    18,145.47x = 25,043.34 × 10,188.24
  4. Step 4: Simplify right side
    18,145.47x = 255,147,558.32
  5. Step 5: Solve for x
    x = 255,147,558.32/18,145.47
  6. Step 6: Final answer
    x = 14,061.23

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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.