Home / 17,415.03-26,126.60-13,870.56

Finding the Fourth Proportional to 17,415.03, 26,126.60 and 13,870.56

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Solution

The fourth proportional to 17,415.03, 26,126.60 and 13,870.56 is: 20,809.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,415.03 : 26,126.60 = 13,870.56 : x
  2. Step 2: Convert to fraction form
    17,415.03/26,126.60 = 13,870.56/x
  3. Step 3: Cross multiply
    17,415.03x = 26,126.60 × 13,870.56
  4. Step 4: Simplify right side
    17,415.03x = 362,390,372.91
  5. Step 5: Solve for x
    x = 362,390,372.91/17,415.03
  6. Step 6: Final answer
    x = 20,809.06

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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.