Home / 17,717.28-24,427.14-14,518.80

Finding the Fourth Proportional to 17,717.28, 24,427.14 and 14,518.80

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Solution

The fourth proportional to 17,717.28, 24,427.14 and 14,518.80 is: 20,017.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,717.28 : 24,427.14 = 14,518.80 : x
  2. Step 2: Convert to fraction form
    17,717.28/24,427.14 = 14,518.80/x
  3. Step 3: Cross multiply
    17,717.28x = 24,427.14 × 14,518.80
  4. Step 4: Simplify right side
    17,717.28x = 354,652,760.23
  5. Step 5: Solve for x
    x = 354,652,760.23/17,717.28
  6. Step 6: Final answer
    x = 20,017.34

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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.