Home / 20,548.92-28,357.50-11,598.30

Finding the Fourth Proportional to 20,548.92, 28,357.50 and 11,598.30

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Solution

The fourth proportional to 20,548.92, 28,357.50 and 11,598.30 is: 16,005.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,548.92 : 28,357.50 = 11,598.30 : x
  2. Step 2: Convert to fraction form
    20,548.92/28,357.50 = 11,598.30/x
  3. Step 3: Cross multiply
    20,548.92x = 28,357.50 × 11,598.30
  4. Step 4: Simplify right side
    20,548.92x = 328,898,792.25
  5. Step 5: Solve for x
    x = 328,898,792.25/20,548.92
  6. Step 6: Final answer
    x = 16,005.65

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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.