Home / 22,892.45-31,592.58-12,820.67

Finding the Fourth Proportional to 22,892.45, 31,592.58 and 12,820.67

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Solution

The fourth proportional to 22,892.45, 31,592.58 and 12,820.67 is: 17,693.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,892.45 : 31,592.58 = 12,820.67 : x
  2. Step 2: Convert to fraction form
    22,892.45/31,592.58 = 12,820.67/x
  3. Step 3: Cross multiply
    22,892.45x = 31,592.58 × 12,820.67
  4. Step 4: Simplify right side
    22,892.45x = 405,037,884.67
  5. Step 5: Solve for x
    x = 405,037,884.67/22,892.45
  6. Step 6: Final answer
    x = 17,693.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.