Home / 17,868.20-24,657.93-9,910.40

Finding the Fourth Proportional to 17,868.20, 24,657.93 and 9,910.40

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Solution

The fourth proportional to 17,868.20, 24,657.93 and 9,910.40 is: 13,676.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,868.20 : 24,657.93 = 9,910.40 : x
  2. Step 2: Convert to fraction form
    17,868.20/24,657.93 = 9,910.40/x
  3. Step 3: Cross multiply
    17,868.20x = 24,657.93 × 9,910.40
  4. Step 4: Simplify right side
    17,868.20x = 244,369,826.18
  5. Step 5: Solve for x
    x = 244,369,826.18/17,868.20
  6. Step 6: Final answer
    x = 13,676.25

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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.