Home / 18,213.13-25,133.88-10,256.14

Finding the Fourth Proportional to 18,213.13, 25,133.88 and 10,256.14

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Solution

The fourth proportional to 18,213.13, 25,133.88 and 10,256.14 is: 14,153.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,213.13 : 25,133.88 = 10,256.14 : x
  2. Step 2: Convert to fraction form
    18,213.13/25,133.88 = 10,256.14/x
  3. Step 3: Cross multiply
    18,213.13x = 25,133.88 × 10,256.14
  4. Step 4: Simplify right side
    18,213.13x = 257,776,592.02
  5. Step 5: Solve for x
    x = 257,776,592.02/18,213.13
  6. Step 6: Final answer
    x = 14,153.34

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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.