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Finding the Fourth Proportional to 15,076.80, 22,582.80 and 13,132.80

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Solution

The fourth proportional to 15,076.80, 22,582.80 and 13,132.80 is: 19,670.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,076.80 : 22,582.80 = 13,132.80 : x
  2. Step 2: Convert to fraction form
    15,076.80/22,582.80 = 13,132.80/x
  3. Step 3: Cross multiply
    15,076.80x = 22,582.80 × 13,132.80
  4. Step 4: Simplify right side
    15,076.80x = 296,575,395.84
  5. Step 5: Solve for x
    x = 296,575,395.84/15,076.80
  6. Step 6: Final answer
    x = 19,670.98

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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.