Home / 13,748.49-18,973.26-7,460.85

Finding the Fourth Proportional to 13,748.49, 18,973.26 and 7,460.85

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Solution

The fourth proportional to 13,748.49, 18,973.26 and 7,460.85 is: 10,296.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,748.49 : 18,973.26 = 7,460.85 : x
  2. Step 2: Convert to fraction form
    13,748.49/18,973.26 = 7,460.85/x
  3. Step 3: Cross multiply
    13,748.49x = 18,973.26 × 7,460.85
  4. Step 4: Simplify right side
    13,748.49x = 141,556,646.87
  5. Step 5: Solve for x
    x = 141,556,646.87/13,748.49
  6. Step 6: Final answer
    x = 10,296.16

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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.