Home / 25,109.20-37,663.80-11,285.20

Finding the Fourth Proportional to 25,109.20, 37,663.80 and 11,285.20

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Solution

The fourth proportional to 25,109.20, 37,663.80 and 11,285.20 is: 16,927.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,109.20 : 37,663.80 = 11,285.20 : x
  2. Step 2: Convert to fraction form
    25,109.20/37,663.80 = 11,285.20/x
  3. Step 3: Cross multiply
    25,109.20x = 37,663.80 × 11,285.20
  4. Step 4: Simplify right side
    25,109.20x = 425,043,515.76
  5. Step 5: Solve for x
    x = 425,043,515.76/25,109.20
  6. Step 6: Final answer
    x = 16,927.80

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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.