Home / 17,720.43-24,455.30-9,762.66

Finding the Fourth Proportional to 17,720.43, 24,455.30 and 9,762.66

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Solution

The fourth proportional to 17,720.43, 24,455.30 and 9,762.66 is: 13,473.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,720.43 : 24,455.30 = 9,762.66 : x
  2. Step 2: Convert to fraction form
    17,720.43/24,455.30 = 9,762.66/x
  3. Step 3: Cross multiply
    17,720.43x = 24,455.30 × 9,762.66
  4. Step 4: Simplify right side
    17,720.43x = 238,748,656.82
  5. Step 5: Solve for x
    x = 238,748,656.82/17,720.43
  6. Step 6: Final answer
    x = 13,473.07

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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.