Home / 13,749.03-18,973.68-7,461.41

Finding the Fourth Proportional to 13,749.03, 18,973.68 and 7,461.41

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Solution

The fourth proportional to 13,749.03, 18,973.68 and 7,461.41 is: 10,296.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,749.03 : 18,973.68 = 7,461.41 : x
  2. Step 2: Convert to fraction form
    13,749.03/18,973.68 = 7,461.41/x
  3. Step 3: Cross multiply
    13,749.03x = 18,973.68 × 7,461.41
  4. Step 4: Simplify right side
    13,749.03x = 141,570,282.84
  5. Step 5: Solve for x
    x = 141,570,282.84/13,749.03
  6. Step 6: Final answer
    x = 10,296.75

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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.