Home / 20,549.01-28,364.67-12,053.82

Finding the Fourth Proportional to 20,549.01, 28,364.67 and 12,053.82

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Solution

The fourth proportional to 20,549.01, 28,364.67 and 12,053.82 is: 16,638.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,549.01 : 28,364.67 = 12,053.82 : x
  2. Step 2: Convert to fraction form
    20,549.01/28,364.67 = 12,053.82/x
  3. Step 3: Cross multiply
    20,549.01x = 28,364.67 × 12,053.82
  4. Step 4: Simplify right side
    20,549.01x = 341,902,626.54
  5. Step 5: Solve for x
    x = 341,902,626.54/20,549.01
  6. Step 6: Final answer
    x = 16,638.40

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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.