Home / 20,852.60-31,200.42-14,624.76

Finding the Fourth Proportional to 20,852.60, 31,200.42 and 14,624.76

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Solution

The fourth proportional to 20,852.60, 31,200.42 and 14,624.76 is: 21,882.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,852.60 : 31,200.42 = 14,624.76 : x
  2. Step 2: Convert to fraction form
    20,852.60/31,200.42 = 14,624.76/x
  3. Step 3: Cross multiply
    20,852.60x = 31,200.42 × 14,624.76
  4. Step 4: Simplify right side
    20,852.60x = 456,298,659.28
  5. Step 5: Solve for x
    x = 456,298,659.28/20,852.60
  6. Step 6: Final answer
    x = 21,882.10

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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.