Home / 13,748.09-18,972.45-7,460.46

Finding the Fourth Proportional to 13,748.09, 18,972.45 and 7,460.46

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Solution

The fourth proportional to 13,748.09, 18,972.45 and 7,460.46 is: 10,295.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,748.09 : 18,972.45 = 7,460.46 : x
  2. Step 2: Convert to fraction form
    13,748.09/18,972.45 = 7,460.46/x
  3. Step 3: Cross multiply
    13,748.09x = 18,972.45 × 7,460.46
  4. Step 4: Simplify right side
    13,748.09x = 141,543,204.33
  5. Step 5: Solve for x
    x = 141,543,204.33/13,748.09
  6. Step 6: Final answer
    x = 10,295.49

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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.