Home / 15,520.28-23,151.32-14,025.56

Finding the Fourth Proportional to 15,520.28, 23,151.32 and 14,025.56

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Solution

The fourth proportional to 15,520.28, 23,151.32 and 14,025.56 is: 20,921.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,520.28 : 23,151.32 = 14,025.56 : x
  2. Step 2: Convert to fraction form
    15,520.28/23,151.32 = 14,025.56/x
  3. Step 3: Cross multiply
    15,520.28x = 23,151.32 × 14,025.56
  4. Step 4: Simplify right side
    15,520.28x = 324,710,094.45
  5. Step 5: Solve for x
    x = 324,710,094.45/15,520.28
  6. Step 6: Final answer
    x = 20,921.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.