Home / 17,518.16-26,243.21-15,554.72

Finding the Fourth Proportional to 17,518.16, 26,243.21 and 15,554.72

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Solution

The fourth proportional to 17,518.16, 26,243.21 and 15,554.72 is: 23,301.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,518.16 : 26,243.21 = 15,554.72 : x
  2. Step 2: Convert to fraction form
    17,518.16/26,243.21 = 15,554.72/x
  3. Step 3: Cross multiply
    17,518.16x = 26,243.21 × 15,554.72
  4. Step 4: Simplify right side
    17,518.16x = 408,205,574.46
  5. Step 5: Solve for x
    x = 408,205,574.46/17,518.16
  6. Step 6: Final answer
    x = 23,301.86

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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.