Home / 25,218.81-34,790.58-17,142.57

Finding the Fourth Proportional to 25,218.81, 34,790.58 and 17,142.57

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Solution

The fourth proportional to 25,218.81, 34,790.58 and 17,142.57 is: 23,649.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,218.81 : 34,790.58 = 17,142.57 : x
  2. Step 2: Convert to fraction form
    25,218.81/34,790.58 = 17,142.57/x
  3. Step 3: Cross multiply
    25,218.81x = 34,790.58 × 17,142.57
  4. Step 4: Simplify right side
    25,218.81x = 596,399,952.99
  5. Step 5: Solve for x
    x = 596,399,952.99/25,218.81
  6. Step 6: Final answer
    x = 23,649.01

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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.