Home / 16,200.44-22,348.07-11,155.91

Finding the Fourth Proportional to 16,200.44, 22,348.07 and 11,155.91

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Solution

The fourth proportional to 16,200.44, 22,348.07 and 11,155.91 is: 15,389.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,200.44 : 22,348.07 = 11,155.91 : x
  2. Step 2: Convert to fraction form
    16,200.44/22,348.07 = 11,155.91/x
  3. Step 3: Cross multiply
    16,200.44x = 22,348.07 × 11,155.91
  4. Step 4: Simplify right side
    16,200.44x = 249,312,890.07
  5. Step 5: Solve for x
    x = 249,312,890.07/16,200.44
  6. Step 6: Final answer
    x = 15,389.27

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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.