Home / 18,495.42-25,519.91-10,535.55

Finding the Fourth Proportional to 18,495.42, 25,519.91 and 10,535.55

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Solution

The fourth proportional to 18,495.42, 25,519.91 and 10,535.55 is: 14,536.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,495.42 : 25,519.91 = 10,535.55 : x
  2. Step 2: Convert to fraction form
    18,495.42/25,519.91 = 10,535.55/x
  3. Step 3: Cross multiply
    18,495.42x = 25,519.91 × 10,535.55
  4. Step 4: Simplify right side
    18,495.42x = 268,866,235.12
  5. Step 5: Solve for x
    x = 268,866,235.12/18,495.42
  6. Step 6: Final answer
    x = 14,536.91

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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.