Home / 17,928.90-24,741.77-9,971.10

Finding the Fourth Proportional to 17,928.90, 24,741.77 and 9,971.10

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Solution

The fourth proportional to 17,928.90, 24,741.77 and 9,971.10 is: 13,760.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,928.90 : 24,741.77 = 9,971.10 : x
  2. Step 2: Convert to fraction form
    17,928.90/24,741.77 = 9,971.10/x
  3. Step 3: Cross multiply
    17,928.90x = 24,741.77 × 9,971.10
  4. Step 4: Simplify right side
    17,928.90x = 246,702,612.99
  5. Step 5: Solve for x
    x = 246,702,612.99/17,928.90
  6. Step 6: Final answer
    x = 13,760.05

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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.