Home / 21,717.18-32,580.36-16,235.91

Finding the Fourth Proportional to 21,717.18, 32,580.36 and 16,235.91

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Solution

The fourth proportional to 21,717.18, 32,580.36 and 16,235.91 is: 24,357.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,717.18 : 32,580.36 = 16,235.91 : x
  2. Step 2: Convert to fraction form
    21,717.18/32,580.36 = 16,235.91/x
  3. Step 3: Cross multiply
    21,717.18x = 32,580.36 × 16,235.91
  4. Step 4: Simplify right side
    21,717.18x = 528,971,792.73
  5. Step 5: Solve for x
    x = 528,971,792.73/21,717.18
  6. Step 6: Final answer
    x = 24,357.30

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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.