Home / 16,587.74-24,881.58-13,659.89

Finding the Fourth Proportional to 16,587.74, 24,881.58 and 13,659.89

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Solution

The fourth proportional to 16,587.74, 24,881.58 and 13,659.89 is: 20,489.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,587.74 : 24,881.58 = 13,659.89 : x
  2. Step 2: Convert to fraction form
    16,587.74/24,881.58 = 13,659.89/x
  3. Step 3: Cross multiply
    16,587.74x = 24,881.58 × 13,659.89
  4. Step 4: Simplify right side
    16,587.74x = 339,879,521.42
  5. Step 5: Solve for x
    x = 339,879,521.42/16,587.74
  6. Step 6: Final answer
    x = 20,489.80

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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.