Home / 15,492.90-23,213.70-8,907.60

Finding the Fourth Proportional to 15,492.90, 23,213.70 and 8,907.60

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Solution

The fourth proportional to 15,492.90, 23,213.70 and 8,907.60 is: 13,346.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,492.90 : 23,213.70 = 8,907.60 : x
  2. Step 2: Convert to fraction form
    15,492.90/23,213.70 = 8,907.60/x
  3. Step 3: Cross multiply
    15,492.90x = 23,213.70 × 8,907.60
  4. Step 4: Simplify right side
    15,492.90x = 206,778,354.12
  5. Step 5: Solve for x
    x = 206,778,354.12/15,492.90
  6. Step 6: Final answer
    x = 13,346.65

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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.