Home / 28,527.84-42,798.24-10,998.63

Finding the Fourth Proportional to 28,527.84, 42,798.24 and 10,998.63

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Solution

The fourth proportional to 28,527.84, 42,798.24 and 10,998.63 is: 16,500.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,527.84 : 42,798.24 = 10,998.63 : x
  2. Step 2: Convert to fraction form
    28,527.84/42,798.24 = 10,998.63/x
  3. Step 3: Cross multiply
    28,527.84x = 42,798.24 × 10,998.63
  4. Step 4: Simplify right side
    28,527.84x = 470,722,006.41
  5. Step 5: Solve for x
    x = 470,722,006.41/28,527.84
  6. Step 6: Final answer
    x = 16,500.44

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Half scale
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Double scale
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Similar ratio
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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.