Home / 17,748.40-26,461.64-17,286.70

Finding the Fourth Proportional to 17,748.40, 26,461.64 and 17,286.70

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Solution

The fourth proportional to 17,748.40, 26,461.64 and 17,286.70 is: 25,773.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,748.40 : 26,461.64 = 17,286.70 : x
  2. Step 2: Convert to fraction form
    17,748.40/26,461.64 = 17,286.70/x
  3. Step 3: Cross multiply
    17,748.40x = 26,461.64 × 17,286.70
  4. Step 4: Simplify right side
    17,748.40x = 457,434,432.19
  5. Step 5: Solve for x
    x = 457,434,432.19/17,748.40
  6. Step 6: Final answer
    x = 25,773.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.