Home / 13,732.02-18,950.22-7,763.13

Finding the Fourth Proportional to 13,732.02, 18,950.22 and 7,763.13

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Solution

The fourth proportional to 13,732.02, 18,950.22 and 7,763.13 is: 10,713.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,732.02 : 18,950.22 = 7,763.13 : x
  2. Step 2: Convert to fraction form
    13,732.02/18,950.22 = 7,763.13/x
  3. Step 3: Cross multiply
    13,732.02x = 18,950.22 × 7,763.13
  4. Step 4: Simplify right side
    13,732.02x = 147,113,021.39
  5. Step 5: Solve for x
    x = 147,113,021.39/13,732.02
  6. Step 6: Final answer
    x = 10,713.14

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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.