Home / 14,725.20-20,317.44-10,748.48

Finding the Fourth Proportional to 14,725.20, 20,317.44 and 10,748.48

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Solution

The fourth proportional to 14,725.20, 20,317.44 and 10,748.48 is: 14,830.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,725.20 : 20,317.44 = 10,748.48 : x
  2. Step 2: Convert to fraction form
    14,725.20/20,317.44 = 10,748.48/x
  3. Step 3: Cross multiply
    14,725.20x = 20,317.44 × 10,748.48
  4. Step 4: Simplify right side
    14,725.20x = 218,381,597.49
  5. Step 5: Solve for x
    x = 218,381,597.49/14,725.20
  6. Step 6: Final answer
    x = 14,830.47

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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.