Home / 16,688.48-23,032.68-9,518.42

Finding the Fourth Proportional to 16,688.48, 23,032.68 and 9,518.42

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Solution

The fourth proportional to 16,688.48, 23,032.68 and 9,518.42 is: 13,136.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,688.48 : 23,032.68 = 9,518.42 : x
  2. Step 2: Convert to fraction form
    16,688.48/23,032.68 = 9,518.42/x
  3. Step 3: Cross multiply
    16,688.48x = 23,032.68 × 9,518.42
  4. Step 4: Simplify right side
    16,688.48x = 219,234,721.97
  5. Step 5: Solve for x
    x = 219,234,721.97/16,688.48
  6. Step 6: Final answer
    x = 13,136.89

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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.