Home / 20,000.79-27,597.26-12,043.53

Finding the Fourth Proportional to 20,000.79, 27,597.26 and 12,043.53

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Solution

The fourth proportional to 20,000.79, 27,597.26 and 12,043.53 is: 16,617.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,000.79 : 27,597.26 = 12,043.53 : x
  2. Step 2: Convert to fraction form
    20,000.79/27,597.26 = 12,043.53/x
  3. Step 3: Cross multiply
    20,000.79x = 27,597.26 × 12,043.53
  4. Step 4: Simplify right side
    20,000.79x = 332,368,368.51
  5. Step 5: Solve for x
    x = 332,368,368.51/20,000.79
  6. Step 6: Final answer
    x = 16,617.76

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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.