Home / 20,733.64-31,103.10-7,592.20

Finding the Fourth Proportional to 20,733.64, 31,103.10 and 7,592.20

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Solution

The fourth proportional to 20,733.64, 31,103.10 and 7,592.20 is: 11,389.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733.64 : 31,103.10 = 7,592.20 : x
  2. Step 2: Convert to fraction form
    20,733.64/31,103.10 = 7,592.20/x
  3. Step 3: Cross multiply
    20,733.64x = 31,103.10 × 7,592.20
  4. Step 4: Simplify right side
    20,733.64x = 236,140,955.82
  5. Step 5: Solve for x
    x = 236,140,955.82/20,733.64
  6. Step 6: Final answer
    x = 11,389.27

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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.