Home / 23,018.40-31,748.40-17,050.32

Finding the Fourth Proportional to 23,018.40, 31,748.40 and 17,050.32

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Solution

The fourth proportional to 23,018.40, 31,748.40 and 17,050.32 is: 23,516.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,018.40 : 31,748.40 = 17,050.32 : x
  2. Step 2: Convert to fraction form
    23,018.40/31,748.40 = 17,050.32/x
  3. Step 3: Cross multiply
    23,018.40x = 31,748.40 × 17,050.32
  4. Step 4: Simplify right side
    23,018.40x = 541,320,379.49
  5. Step 5: Solve for x
    x = 541,320,379.49/23,018.40
  6. Step 6: Final answer
    x = 23,516.86

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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.