Home / 21,836.76-32,751.94-10,740.47

Finding the Fourth Proportional to 21,836.76, 32,751.94 and 10,740.47

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Solution

The fourth proportional to 21,836.76, 32,751.94 and 10,740.47 is: 16,109.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,836.76 : 32,751.94 = 10,740.47 : x
  2. Step 2: Convert to fraction form
    21,836.76/32,751.94 = 10,740.47/x
  3. Step 3: Cross multiply
    21,836.76x = 32,751.94 × 10,740.47
  4. Step 4: Simplify right side
    21,836.76x = 351,771,011.55
  5. Step 5: Solve for x
    x = 351,771,011.55/21,836.76
  6. Step 6: Final answer
    x = 16,109.12

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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.