Home / 28,333.20-42,528.42-11,703.12

Finding the Fourth Proportional to 28,333.20, 42,528.42 and 11,703.12

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Solution

The fourth proportional to 28,333.20, 42,528.42 and 11,703.12 is: 17,566.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,333.20 : 42,528.42 = 11,703.12 : x
  2. Step 2: Convert to fraction form
    28,333.20/42,528.42 = 11,703.12/x
  3. Step 3: Cross multiply
    28,333.20x = 42,528.42 × 11,703.12
  4. Step 4: Simplify right side
    28,333.20x = 497,715,202.67
  5. Step 5: Solve for x
    x = 497,715,202.67/28,333.20
  6. Step 6: Final answer
    x = 17,566.50

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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.