Home / 16,176.70-22,271.75-12,587.29

Finding the Fourth Proportional to 16,176.70, 22,271.75 and 12,587.29

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Solution

The fourth proportional to 16,176.70, 22,271.75 and 12,587.29 is: 17,329.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,176.70 : 22,271.75 = 12,587.29 : x
  2. Step 2: Convert to fraction form
    16,176.70/22,271.75 = 12,587.29/x
  3. Step 3: Cross multiply
    16,176.70x = 22,271.75 × 12,587.29
  4. Step 4: Simplify right side
    16,176.70x = 280,340,976.06
  5. Step 5: Solve for x
    x = 280,340,976.06/16,176.70
  6. Step 6: Final answer
    x = 17,329.92

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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.