Home / 15,721.80-23,582.69-10,776.44

Finding the Fourth Proportional to 15,721.80, 23,582.69 and 10,776.44

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Solution

The fourth proportional to 15,721.80, 23,582.69 and 10,776.44 is: 16,164.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,721.80 : 23,582.69 = 10,776.44 : x
  2. Step 2: Convert to fraction form
    15,721.80/23,582.69 = 10,776.44/x
  3. Step 3: Cross multiply
    15,721.80x = 23,582.69 × 10,776.44
  4. Step 4: Simplify right side
    15,721.80x = 254,137,549.93
  5. Step 5: Solve for x
    x = 254,137,549.93/15,721.80
  6. Step 6: Final answer
    x = 16,164.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.