Home / 13,748.47-18,972.94-7,460.85

Finding the Fourth Proportional to 13,748.47, 18,972.94 and 7,460.85

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Solution

The fourth proportional to 13,748.47, 18,972.94 and 7,460.85 is: 10,296.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,748.47 : 18,972.94 = 7,460.85 : x
  2. Step 2: Convert to fraction form
    13,748.47/18,972.94 = 7,460.85/x
  3. Step 3: Cross multiply
    13,748.47x = 18,972.94 × 7,460.85
  4. Step 4: Simplify right side
    13,748.47x = 141,554,259.40
  5. Step 5: Solve for x
    x = 141,554,259.40/13,748.47
  6. Step 6: Final answer
    x = 10,296.00

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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.