Home / 20,549.72-28,358.67-11,597.24

Finding the Fourth Proportional to 20,549.72, 28,358.67 and 11,597.24

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Solution

The fourth proportional to 20,549.72, 28,358.67 and 11,597.24 is: 16,004.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,549.72 : 28,358.67 = 11,597.24 : x
  2. Step 2: Convert to fraction form
    20,549.72/28,358.67 = 11,597.24/x
  3. Step 3: Cross multiply
    20,549.72x = 28,358.67 × 11,597.24
  4. Step 4: Simplify right side
    20,549.72x = 328,882,302.07
  5. Step 5: Solve for x
    x = 328,882,302.07/20,549.72
  6. Step 6: Final answer
    x = 16,004.22

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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.