Home / 15,501.78-23,252.67-3,815.02

Finding the Fourth Proportional to 15,501.78, 23,252.67 and 3,815.02

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Solution

The fourth proportional to 15,501.78, 23,252.67 and 3,815.02 is: 5,722.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,501.78 : 23,252.67 = 3,815.02 : x
  2. Step 2: Convert to fraction form
    15,501.78/23,252.67 = 3,815.02/x
  3. Step 3: Cross multiply
    15,501.78x = 23,252.67 × 3,815.02
  4. Step 4: Simplify right side
    15,501.78x = 88,709,401.10
  5. Step 5: Solve for x
    x = 88,709,401.10/15,501.78
  6. Step 6: Final answer
    x = 5,722.53

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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.