Home / 13,748.77-18,973.19-7,461.14

Finding the Fourth Proportional to 13,748.77, 18,973.19 and 7,461.14

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Solution

The fourth proportional to 13,748.77, 18,973.19 and 7,461.14 is: 10,296.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,748.77 : 18,973.19 = 7,461.14 : x
  2. Step 2: Convert to fraction form
    13,748.77/18,973.19 = 7,461.14/x
  3. Step 3: Cross multiply
    13,748.77x = 18,973.19 × 7,461.14
  4. Step 4: Simplify right side
    13,748.77x = 141,561,589.53
  5. Step 5: Solve for x
    x = 141,561,589.53/13,748.77
  6. Step 6: Final answer
    x = 10,296.31

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Double scale
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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.