Home / 18,749.04-25,807.84-16,977.57

Finding the Fourth Proportional to 18,749.04, 25,807.84 and 16,977.57

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Solution

The fourth proportional to 18,749.04, 25,807.84 and 16,977.57 is: 23,369.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,749.04 : 25,807.84 = 16,977.57 : x
  2. Step 2: Convert to fraction form
    18,749.04/25,807.84 = 16,977.57/x
  3. Step 3: Cross multiply
    18,749.04x = 25,807.84 × 16,977.57
  4. Step 4: Simplify right side
    18,749.04x = 438,154,410.15
  5. Step 5: Solve for x
    x = 438,154,410.15/18,749.04
  6. Step 6: Final answer
    x = 23,369.43

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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.