Home / 18,587.30-25,649.78-10,089.24

Finding the Fourth Proportional to 18,587.30, 25,649.78 and 10,089.24

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Solution

The fourth proportional to 18,587.30, 25,649.78 and 10,089.24 is: 13,922.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,587.30 : 25,649.78 = 10,089.24 : x
  2. Step 2: Convert to fraction form
    18,587.30/25,649.78 = 10,089.24/x
  3. Step 3: Cross multiply
    18,587.30x = 25,649.78 × 10,089.24
  4. Step 4: Simplify right side
    18,587.30x = 258,786,607.67
  5. Step 5: Solve for x
    x = 258,786,607.67/18,587.30
  6. Step 6: Final answer
    x = 13,922.77

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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.