Home / 17,881.36-24,685.16-11,170.71

Finding the Fourth Proportional to 17,881.36, 24,685.16 and 11,170.71

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Solution

The fourth proportional to 17,881.36, 24,685.16 and 11,170.71 is: 15,421.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,881.36 : 24,685.16 = 11,170.71 : x
  2. Step 2: Convert to fraction form
    17,881.36/24,685.16 = 11,170.71/x
  3. Step 3: Cross multiply
    17,881.36x = 24,685.16 × 11,170.71
  4. Step 4: Simplify right side
    17,881.36x = 275,750,707.81
  5. Step 5: Solve for x
    x = 275,750,707.81/17,881.36
  6. Step 6: Final answer
    x = 15,421.13

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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.