Home / 13,732.77-18,950.72-7,445.01

Finding the Fourth Proportional to 13,732.77, 18,950.72 and 7,445.01

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Solution

The fourth proportional to 13,732.77, 18,950.72 and 7,445.01 is: 10,273.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,732.77 : 18,950.72 = 7,445.01 : x
  2. Step 2: Convert to fraction form
    13,732.77/18,950.72 = 7,445.01/x
  3. Step 3: Cross multiply
    13,732.77x = 18,950.72 × 7,445.01
  4. Step 4: Simplify right side
    13,732.77x = 141,088,262.68
  5. Step 5: Solve for x
    x = 141,088,262.68/13,732.77
  6. Step 6: Final answer
    x = 10,273.84

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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.