Home / 25,657.30-38,491.71-9,018.48

Finding the Fourth Proportional to 25,657.30, 38,491.71 and 9,018.48

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Solution

The fourth proportional to 25,657.30, 38,491.71 and 9,018.48 is: 13,529.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,657.30 : 38,491.71 = 9,018.48 : x
  2. Step 2: Convert to fraction form
    25,657.30/38,491.71 = 9,018.48/x
  3. Step 3: Cross multiply
    25,657.30x = 38,491.71 × 9,018.48
  4. Step 4: Simplify right side
    25,657.30x = 347,136,716.80
  5. Step 5: Solve for x
    x = 347,136,716.80/25,657.30
  6. Step 6: Final answer
    x = 13,529.74

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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.