Home / 25,115.28-34,658.94-13,784.46

Finding the Fourth Proportional to 25,115.28, 34,658.94 and 13,784.46

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Solution

The fourth proportional to 25,115.28, 34,658.94 and 13,784.46 is: 19,022.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,115.28 : 34,658.94 = 13,784.46 : x
  2. Step 2: Convert to fraction form
    25,115.28/34,658.94 = 13,784.46/x
  3. Step 3: Cross multiply
    25,115.28x = 34,658.94 × 13,784.46
  4. Step 4: Simplify right side
    25,115.28x = 477,754,772.07
  5. Step 5: Solve for x
    x = 477,754,772.07/25,115.28
  6. Step 6: Final answer
    x = 19,022.47

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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.