Home / 14,757.69-20,356.51-9,012.45

Finding the Fourth Proportional to 14,757.69, 20,356.51 and 9,012.45

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Solution

The fourth proportional to 14,757.69, 20,356.51 and 9,012.45 is: 12,431.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,757.69 : 20,356.51 = 9,012.45 : x
  2. Step 2: Convert to fraction form
    14,757.69/20,356.51 = 9,012.45/x
  3. Step 3: Cross multiply
    14,757.69x = 20,356.51 × 9,012.45
  4. Step 4: Simplify right side
    14,757.69x = 183,462,028.55
  5. Step 5: Solve for x
    x = 183,462,028.55/14,757.69
  6. Step 6: Final answer
    x = 12,431.62

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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.