Home / 18,729.64-25,847.94-10,345.96

Finding the Fourth Proportional to 18,729.64, 25,847.94 and 10,345.96

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Solution

The fourth proportional to 18,729.64, 25,847.94 and 10,345.96 is: 14,278.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,729.64 : 25,847.94 = 10,345.96 : x
  2. Step 2: Convert to fraction form
    18,729.64/25,847.94 = 10,345.96/x
  3. Step 3: Cross multiply
    18,729.64x = 25,847.94 × 10,345.96
  4. Step 4: Simplify right side
    18,729.64x = 267,421,753.32
  5. Step 5: Solve for x
    x = 267,421,753.32/18,729.64
  6. Step 6: Final answer
    x = 14,278.00

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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.