Home / 25,492.22-38,210.99-12,315.54

Finding the Fourth Proportional to 25,492.22, 38,210.99 and 12,315.54

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Solution

The fourth proportional to 25,492.22, 38,210.99 and 12,315.54 is: 18,460.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,492.22 : 38,210.99 = 12,315.54 : x
  2. Step 2: Convert to fraction form
    25,492.22/38,210.99 = 12,315.54/x
  3. Step 3: Cross multiply
    25,492.22x = 38,210.99 × 12,315.54
  4. Step 4: Simplify right side
    25,492.22x = 470,589,126.77
  5. Step 5: Solve for x
    x = 470,589,126.77/25,492.22
  6. Step 6: Final answer
    x = 18,460.11

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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.