Home / 16,521.48-22,768.14-16,217.81

Finding the Fourth Proportional to 16,521.48, 22,768.14 and 16,217.81

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Solution

The fourth proportional to 16,521.48, 22,768.14 and 16,217.81 is: 22,349.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,521.48 : 22,768.14 = 16,217.81 : x
  2. Step 2: Convert to fraction form
    16,521.48/22,768.14 = 16,217.81/x
  3. Step 3: Cross multiply
    16,521.48x = 22,768.14 × 16,217.81
  4. Step 4: Simplify right side
    16,521.48x = 369,249,254.73
  5. Step 5: Solve for x
    x = 369,249,254.73/16,521.48
  6. Step 6: Final answer
    x = 22,349.65

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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.