Home / 13,463.98-18,579.81-7,495.90

Finding the Fourth Proportional to 13,463.98, 18,579.81 and 7,495.90

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Solution

The fourth proportional to 13,463.98, 18,579.81 and 7,495.90 is: 10,344.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,463.98 : 18,579.81 = 7,495.90 : x
  2. Step 2: Convert to fraction form
    13,463.98/18,579.81 = 7,495.90/x
  3. Step 3: Cross multiply
    13,463.98x = 18,579.81 × 7,495.90
  4. Step 4: Simplify right side
    13,463.98x = 139,272,397.78
  5. Step 5: Solve for x
    x = 139,272,397.78/13,463.98
  6. Step 6: Final answer
    x = 10,344.07

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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.