Home / 15,435.13-23,135.99-7,528.66

Finding the Fourth Proportional to 15,435.13, 23,135.99 and 7,528.66

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Solution

The fourth proportional to 15,435.13, 23,135.99 and 7,528.66 is: 11,284.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,435.13 : 23,135.99 = 7,528.66 : x
  2. Step 2: Convert to fraction form
    15,435.13/23,135.99 = 7,528.66/x
  3. Step 3: Cross multiply
    15,435.13x = 23,135.99 × 7,528.66
  4. Step 4: Simplify right side
    15,435.13x = 174,183,002.47
  5. Step 5: Solve for x
    x = 174,183,002.47/15,435.13
  6. Step 6: Final answer
    x = 11,284.84

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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.