Home / 25,835.60-38,688.60-17,022.80

Finding the Fourth Proportional to 25,835.60, 38,688.60 and 17,022.80

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Solution

The fourth proportional to 25,835.60, 38,688.60 and 17,022.80 is: 25,491.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,835.60 : 38,688.60 = 17,022.80 : x
  2. Step 2: Convert to fraction form
    25,835.60/38,688.60 = 17,022.80/x
  3. Step 3: Cross multiply
    25,835.60x = 38,688.60 × 17,022.80
  4. Step 4: Simplify right side
    25,835.60x = 658,588,300.08
  5. Step 5: Solve for x
    x = 658,588,300.08/25,835.60
  6. Step 6: Final answer
    x = 25,491.50

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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.