Home / 25,005.57-37,492.51-12,522.21

Finding the Fourth Proportional to 25,005.57, 37,492.51 and 12,522.21

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Solution

The fourth proportional to 25,005.57, 37,492.51 and 12,522.21 is: 18,775.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,005.57 : 37,492.51 = 12,522.21 : x
  2. Step 2: Convert to fraction form
    25,005.57/37,492.51 = 12,522.21/x
  3. Step 3: Cross multiply
    25,005.57x = 37,492.51 × 12,522.21
  4. Step 4: Simplify right side
    25,005.57x = 469,489,083.65
  5. Step 5: Solve for x
    x = 469,489,083.65/25,005.57
  6. Step 6: Final answer
    x = 18,775.38

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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.