Home / 13,744.98-18,968.11-7,457.36

Finding the Fourth Proportional to 13,744.98, 18,968.11 and 7,457.36

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Solution

The fourth proportional to 13,744.98, 18,968.11 and 7,457.36 is: 10,291.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744.98 : 18,968.11 = 7,457.36 : x
  2. Step 2: Convert to fraction form
    13,744.98/18,968.11 = 7,457.36/x
  3. Step 3: Cross multiply
    13,744.98x = 18,968.11 × 7,457.36
  4. Step 4: Simplify right side
    13,744.98x = 141,452,024.79
  5. Step 5: Solve for x
    x = 141,452,024.79/13,744.98
  6. Step 6: Final answer
    x = 10,291.18

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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.