Home / 18,256.71-25,192.73-10,189.64

Finding the Fourth Proportional to 18,256.71, 25,192.73 and 10,189.64

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Solution

The fourth proportional to 18,256.71, 25,192.73 and 10,189.64 is: 14,060.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,256.71 : 25,192.73 = 10,189.64 : x
  2. Step 2: Convert to fraction form
    18,256.71/25,192.73 = 10,189.64/x
  3. Step 3: Cross multiply
    18,256.71x = 25,192.73 × 10,189.64
  4. Step 4: Simplify right side
    18,256.71x = 256,704,672.41
  5. Step 5: Solve for x
    x = 256,704,672.41/18,256.71
  6. Step 6: Final answer
    x = 14,060.84

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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.