Home / 25,020.40-37,530.56-11,865.58

Finding the Fourth Proportional to 25,020.40, 37,530.56 and 11,865.58

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Solution

The fourth proportional to 25,020.40, 37,530.56 and 11,865.58 is: 17,798.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,020.40 : 37,530.56 = 11,865.58 : x
  2. Step 2: Convert to fraction form
    25,020.40/37,530.56 = 11,865.58/x
  3. Step 3: Cross multiply
    25,020.40x = 37,530.56 × 11,865.58
  4. Step 4: Simplify right side
    25,020.40x = 445,321,862.12
  5. Step 5: Solve for x
    x = 445,321,862.12/25,020.40
  6. Step 6: Final answer
    x = 17,798.35

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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.