Home / 13,744.84-18,967.80-7,457.08

Finding the Fourth Proportional to 13,744.84, 18,967.80 and 7,457.08

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Solution

The fourth proportional to 13,744.84, 18,967.80 and 7,457.08 is: 10,290.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,744.84 : 18,967.80 = 7,457.08 : x
  2. Step 2: Convert to fraction form
    13,744.84/18,967.80 = 7,457.08/x
  3. Step 3: Cross multiply
    13,744.84x = 18,967.80 × 7,457.08
  4. Step 4: Simplify right side
    13,744.84x = 141,444,402.02
  5. Step 5: Solve for x
    x = 141,444,402.02/13,744.84
  6. Step 6: Final answer
    x = 10,290.73

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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.