Home / 15,511.29-23,255.58-4,975.31

Finding the Fourth Proportional to 15,511.29, 23,255.58 and 4,975.31

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Solution

The fourth proportional to 15,511.29, 23,255.58 and 4,975.31 is: 7,459.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,511.29 : 23,255.58 = 4,975.31 : x
  2. Step 2: Convert to fraction form
    15,511.29/23,255.58 = 4,975.31/x
  3. Step 3: Cross multiply
    15,511.29x = 23,255.58 × 4,975.31
  4. Step 4: Simplify right side
    15,511.29x = 115,703,603.45
  5. Step 5: Solve for x
    x = 115,703,603.45/15,511.29
  6. Step 6: Final answer
    x = 7,459.32

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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.