Home / 17,438.11-26,157.16-14,347.62

Finding the Fourth Proportional to 17,438.11, 26,157.16 and 14,347.62

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Solution

The fourth proportional to 17,438.11, 26,157.16 and 14,347.62 is: 21,521.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,438.11 : 26,157.16 = 14,347.62 : x
  2. Step 2: Convert to fraction form
    17,438.11/26,157.16 = 14,347.62/x
  3. Step 3: Cross multiply
    17,438.11x = 26,157.16 × 14,347.62
  4. Step 4: Simplify right side
    17,438.11x = 375,293,009.89
  5. Step 5: Solve for x
    x = 375,293,009.89/17,438.11
  6. Step 6: Final answer
    x = 21,521.43

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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.