Home / 23,270.09-32,113.28-13,199.21

Finding the Fourth Proportional to 23,270.09, 32,113.28 and 13,199.21

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Solution

The fourth proportional to 23,270.09, 32,113.28 and 13,199.21 is: 18,215.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,270.09 : 32,113.28 = 13,199.21 : x
  2. Step 2: Convert to fraction form
    23,270.09/32,113.28 = 13,199.21/x
  3. Step 3: Cross multiply
    23,270.09x = 32,113.28 × 13,199.21
  4. Step 4: Simplify right side
    23,270.09x = 423,870,039.79
  5. Step 5: Solve for x
    x = 423,870,039.79/23,270.09
  6. Step 6: Final answer
    x = 18,215.23

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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.