Home / 23,023.56-31,771.08-12,950.76

Finding the Fourth Proportional to 23,023.56, 31,771.08 and 12,950.76

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Solution

The fourth proportional to 23,023.56, 31,771.08 and 12,950.76 is: 17,871.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,023.56 : 31,771.08 = 12,950.76 : x
  2. Step 2: Convert to fraction form
    23,023.56/31,771.08 = 12,950.76/x
  3. Step 3: Cross multiply
    23,023.56x = 31,771.08 × 12,950.76
  4. Step 4: Simplify right side
    23,023.56x = 411,459,632.02
  5. Step 5: Solve for x
    x = 411,459,632.02/23,023.56
  6. Step 6: Final answer
    x = 17,871.24

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Half scale
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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.