Home / 18,170.47-25,075.61-10,213.21

Finding the Fourth Proportional to 18,170.47, 25,075.61 and 10,213.21

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Solution

The fourth proportional to 18,170.47, 25,075.61 and 10,213.21 is: 14,094.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,170.47 : 25,075.61 = 10,213.21 : x
  2. Step 2: Convert to fraction form
    18,170.47/25,075.61 = 10,213.21/x
  3. Step 3: Cross multiply
    18,170.47x = 25,075.61 × 10,213.21
  4. Step 4: Simplify right side
    18,170.47x = 256,102,470.81
  5. Step 5: Solve for x
    x = 256,102,470.81/18,170.47
  6. Step 6: Final answer
    x = 14,094.43

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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.