Home / 13,500.83-18,631.09-7,532.51

Finding the Fourth Proportional to 13,500.83, 18,631.09 and 7,532.51

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Solution

The fourth proportional to 13,500.83, 18,631.09 and 7,532.51 is: 10,394.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,500.83 : 18,631.09 = 7,532.51 : x
  2. Step 2: Convert to fraction form
    13,500.83/18,631.09 = 7,532.51/x
  3. Step 3: Cross multiply
    13,500.83x = 18,631.09 × 7,532.51
  4. Step 4: Simplify right side
    13,500.83x = 140,338,740.92
  5. Step 5: Solve for x
    x = 140,338,740.92/13,500.83
  6. Step 6: Final answer
    x = 10,394.82

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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.