Home / 18,729.01-25,845.96-10,345.51

Finding the Fourth Proportional to 18,729.01, 25,845.96 and 10,345.51

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Solution

The fourth proportional to 18,729.01, 25,845.96 and 10,345.51 is: 14,276.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,729.01 : 25,845.96 = 10,345.51 : x
  2. Step 2: Convert to fraction form
    18,729.01/25,845.96 = 10,345.51/x
  3. Step 3: Cross multiply
    18,729.01x = 25,845.96 × 10,345.51
  4. Step 4: Simplify right side
    18,729.01x = 267,389,585.91
  5. Step 5: Solve for x
    x = 267,389,585.91/18,729.01
  6. Step 6: Final answer
    x = 14,276.76

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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.