Home / 25,536.12-38,340.06-13,065.09

Finding the Fourth Proportional to 25,536.12, 38,340.06 and 13,065.09

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Solution

The fourth proportional to 25,536.12, 38,340.06 and 13,065.09 is: 19,615.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,536.12 : 38,340.06 = 13,065.09 : x
  2. Step 2: Convert to fraction form
    25,536.12/38,340.06 = 13,065.09/x
  3. Step 3: Cross multiply
    25,536.12x = 38,340.06 × 13,065.09
  4. Step 4: Simplify right side
    25,536.12x = 500,916,141.74
  5. Step 5: Solve for x
    x = 500,916,141.74/25,536.12
  6. Step 6: Final answer
    x = 19,615.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.