Home / 17,913.12-24,720.26-9,956.20

Finding the Fourth Proportional to 17,913.12, 24,720.26 and 9,956.20

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Solution

The fourth proportional to 17,913.12, 24,720.26 and 9,956.20 is: 13,739.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,913.12 : 24,720.26 = 9,956.20 : x
  2. Step 2: Convert to fraction form
    17,913.12/24,720.26 = 9,956.20/x
  3. Step 3: Cross multiply
    17,913.12x = 24,720.26 × 9,956.20
  4. Step 4: Simplify right side
    17,913.12x = 246,119,852.61
  5. Step 5: Solve for x
    x = 246,119,852.61/17,913.12
  6. Step 6: Final answer
    x = 13,739.64

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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.