Home / 17,661.30-24,373.16-9,703.70

Finding the Fourth Proportional to 17,661.30, 24,373.16 and 9,703.70

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Solution

The fourth proportional to 17,661.30, 24,373.16 and 9,703.70 is: 13,391.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,661.30 : 24,373.16 = 9,703.70 : x
  2. Step 2: Convert to fraction form
    17,661.30/24,373.16 = 9,703.70/x
  3. Step 3: Cross multiply
    17,661.30x = 24,373.16 × 9,703.70
  4. Step 4: Simplify right side
    17,661.30x = 236,509,832.69
  5. Step 5: Solve for x
    x = 236,509,832.69/17,661.30
  6. Step 6: Final answer
    x = 13,391.42

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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.