Home / 16,968.61-25,419.09-13,253.45

Finding the Fourth Proportional to 16,968.61, 25,419.09 and 13,253.45

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Solution

The fourth proportional to 16,968.61, 25,419.09 and 13,253.45 is: 19,853.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,968.61 : 25,419.09 = 13,253.45 : x
  2. Step 2: Convert to fraction form
    16,968.61/25,419.09 = 13,253.45/x
  3. Step 3: Cross multiply
    16,968.61x = 25,419.09 × 13,253.45
  4. Step 4: Simplify right side
    16,968.61x = 336,890,595.18
  5. Step 5: Solve for x
    x = 336,890,595.18/16,968.61
  6. Step 6: Final answer
    x = 19,853.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.