Home / 18,586.80-25,650.24-10,088.90

Finding the Fourth Proportional to 18,586.80, 25,650.24 and 10,088.90

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Solution

The fourth proportional to 18,586.80, 25,650.24 and 10,088.90 is: 13,922.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,586.80 : 25,650.24 = 10,088.90 : x
  2. Step 2: Convert to fraction form
    18,586.80/25,650.24 = 10,088.90/x
  3. Step 3: Cross multiply
    18,586.80x = 25,650.24 × 10,088.90
  4. Step 4: Simplify right side
    18,586.80x = 258,782,809.31
  5. Step 5: Solve for x
    x = 258,782,809.31/18,586.80
  6. Step 6: Final answer
    x = 13,922.93

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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.