Home / 13,463.91-18,579.87-7,495.45

Finding the Fourth Proportional to 13,463.91, 18,579.87 and 7,495.45

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Solution

The fourth proportional to 13,463.91, 18,579.87 and 7,495.45 is: 10,343.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,463.91 : 18,579.87 = 7,495.45 : x
  2. Step 2: Convert to fraction form
    13,463.91/18,579.87 = 7,495.45/x
  3. Step 3: Cross multiply
    13,463.91x = 18,579.87 × 7,495.45
  4. Step 4: Simplify right side
    13,463.91x = 139,264,440.14
  5. Step 5: Solve for x
    x = 139,264,440.14/13,463.91
  6. Step 6: Final answer
    x = 10,343.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.