Home / 21,875.06-32,811.42-10,770.68

Finding the Fourth Proportional to 21,875.06, 32,811.42 and 10,770.68

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Solution

The fourth proportional to 21,875.06, 32,811.42 and 10,770.68 is: 16,155.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,875.06 : 32,811.42 = 10,770.68 : x
  2. Step 2: Convert to fraction form
    21,875.06/32,811.42 = 10,770.68/x
  3. Step 3: Cross multiply
    21,875.06x = 32,811.42 × 10,770.68
  4. Step 4: Simplify right side
    21,875.06x = 353,401,305.17
  5. Step 5: Solve for x
    x = 353,401,305.17/21,875.06
  6. Step 6: Final answer
    x = 16,155.44

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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.