Home / 25,166.40-37,749.60-19,334.40

Finding the Fourth Proportional to 25,166.40, 37,749.60 and 19,334.40

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Solution

The fourth proportional to 25,166.40, 37,749.60 and 19,334.40 is: 29,001.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,166.40 : 37,749.60 = 19,334.40 : x
  2. Step 2: Convert to fraction form
    25,166.40/37,749.60 = 19,334.40/x
  3. Step 3: Cross multiply
    25,166.40x = 37,749.60 × 19,334.40
  4. Step 4: Simplify right side
    25,166.40x = 729,865,866.24
  5. Step 5: Solve for x
    x = 729,865,866.24/25,166.40
  6. Step 6: Final answer
    x = 29,001.60

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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.