Home / 16,613.12-22,911.36-16,530.40

Finding the Fourth Proportional to 16,613.12, 22,911.36 and 16,530.40

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Solution

The fourth proportional to 16,613.12, 22,911.36 and 16,530.40 is: 22,797.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,613.12 : 22,911.36 = 16,530.40 : x
  2. Step 2: Convert to fraction form
    16,613.12/22,911.36 = 16,530.40/x
  3. Step 3: Cross multiply
    16,613.12x = 22,911.36 × 16,530.40
  4. Step 4: Simplify right side
    16,613.12x = 378,733,945.34
  5. Step 5: Solve for x
    x = 378,733,945.34/16,613.12
  6. Step 6: Final answer
    x = 22,797.28

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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.