Home / 18,732.12-25,851.08-10,774.34

Finding the Fourth Proportional to 18,732.12, 25,851.08 and 10,774.34

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Solution

The fourth proportional to 18,732.12, 25,851.08 and 10,774.34 is: 14,869.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,732.12 : 25,851.08 = 10,774.34 : x
  2. Step 2: Convert to fraction form
    18,732.12/25,851.08 = 10,774.34/x
  3. Step 3: Cross multiply
    18,732.12x = 25,851.08 × 10,774.34
  4. Step 4: Simplify right side
    18,732.12x = 278,528,325.29
  5. Step 5: Solve for x
    x = 278,528,325.29/18,732.12
  6. Step 6: Final answer
    x = 14,869.02

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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.