Home / 18,787.07-25,926.48-10,289.03

Finding the Fourth Proportional to 18,787.07, 25,926.48 and 10,289.03

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Solution

The fourth proportional to 18,787.07, 25,926.48 and 10,289.03 is: 14,199.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,787.07 : 25,926.48 = 10,289.03 : x
  2. Step 2: Convert to fraction form
    18,787.07/25,926.48 = 10,289.03/x
  3. Step 3: Cross multiply
    18,787.07x = 25,926.48 × 10,289.03
  4. Step 4: Simplify right side
    18,787.07x = 266,758,200.88
  5. Step 5: Solve for x
    x = 266,758,200.88/18,787.07
  6. Step 6: Final answer
    x = 14,199.03

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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.