Home / 15,511.50-23,255.91-4,975.53

Finding the Fourth Proportional to 15,511.50, 23,255.91 and 4,975.53

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Solution

The fourth proportional to 15,511.50, 23,255.91 and 4,975.53 is: 7,459.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,511.50 : 23,255.91 = 4,975.53 : x
  2. Step 2: Convert to fraction form
    15,511.50/23,255.91 = 4,975.53/x
  3. Step 3: Cross multiply
    15,511.50x = 23,255.91 × 4,975.53
  4. Step 4: Simplify right side
    15,511.50x = 115,710,477.88
  5. Step 5: Solve for x
    x = 115,710,477.88/15,511.50
  6. Step 6: Final answer
    x = 7,459.66

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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.