Home / 13,444.39-18,552.36-7,475.86

Finding the Fourth Proportional to 13,444.39, 18,552.36 and 7,475.86

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Solution

The fourth proportional to 13,444.39, 18,552.36 and 7,475.86 is: 10,316.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444.39 : 18,552.36 = 7,475.86 : x
  2. Step 2: Convert to fraction form
    13,444.39/18,552.36 = 7,475.86/x
  3. Step 3: Cross multiply
    13,444.39x = 18,552.36 × 7,475.86
  4. Step 4: Simplify right side
    13,444.39x = 138,694,846.03
  5. Step 5: Solve for x
    x = 138,694,846.03/13,444.39
  6. Step 6: Final answer
    x = 10,316.19

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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.