Home / 18,586.45-25,649.33-10,088.58

Finding the Fourth Proportional to 18,586.45, 25,649.33 and 10,088.58

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Solution

The fourth proportional to 18,586.45, 25,649.33 and 10,088.58 is: 13,922.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,586.45 : 25,649.33 = 10,088.58 : x
  2. Step 2: Convert to fraction form
    18,586.45/25,649.33 = 10,088.58/x
  3. Step 3: Cross multiply
    18,586.45x = 25,649.33 × 10,088.58
  4. Step 4: Simplify right side
    18,586.45x = 258,765,232.10
  5. Step 5: Solve for x
    x = 258,765,232.10/18,586.45
  6. Step 6: Final answer
    x = 13,922.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.