Home / 25,457.32-38,198.13-12,302.38

Finding the Fourth Proportional to 25,457.32, 38,198.13 and 12,302.38

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Solution

The fourth proportional to 25,457.32, 38,198.13 and 12,302.38 is: 18,459.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,457.32 : 38,198.13 = 12,302.38 : x
  2. Step 2: Convert to fraction form
    25,457.32/38,198.13 = 12,302.38/x
  3. Step 3: Cross multiply
    25,457.32x = 38,198.13 × 12,302.38
  4. Step 4: Simplify right side
    25,457.32x = 469,927,910.55
  5. Step 5: Solve for x
    x = 469,927,910.55/25,457.32
  6. Step 6: Final answer
    x = 18,459.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.