Home / 20,852.54-31,200.32-14,624.70

Finding the Fourth Proportional to 20,852.54, 31,200.32 and 14,624.70

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Solution

The fourth proportional to 20,852.54, 31,200.32 and 14,624.70 is: 21,882.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,852.54 : 31,200.32 = 14,624.70 : x
  2. Step 2: Convert to fraction form
    20,852.54/31,200.32 = 14,624.70/x
  3. Step 3: Cross multiply
    20,852.54x = 31,200.32 × 14,624.70
  4. Step 4: Simplify right side
    20,852.54x = 456,295,246.78
  5. Step 5: Solve for x
    x = 456,295,246.78/20,852.54
  6. Step 6: Final answer
    x = 21,882.00

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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.