Home / 25,354.08-38,013.84-12,199.68

Finding the Fourth Proportional to 25,354.08, 38,013.84 and 12,199.68

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Solution

The fourth proportional to 25,354.08, 38,013.84 and 12,199.68 is: 18,291.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,354.08 : 38,013.84 = 12,199.68 : x
  2. Step 2: Convert to fraction form
    25,354.08/38,013.84 = 12,199.68/x
  3. Step 3: Cross multiply
    25,354.08x = 38,013.84 × 12,199.68
  4. Step 4: Simplify right side
    25,354.08x = 463,756,683.57
  5. Step 5: Solve for x
    x = 463,756,683.57/25,354.08
  6. Step 6: Final answer
    x = 18,291.21

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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.