Home / 22,133.58-30,530.91-13,175.10

Finding the Fourth Proportional to 22,133.58, 30,530.91 and 13,175.10

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Solution

The fourth proportional to 22,133.58, 30,530.91 and 13,175.10 is: 18,173.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,133.58 : 30,530.91 = 13,175.10 : x
  2. Step 2: Convert to fraction form
    22,133.58/30,530.91 = 13,175.10/x
  3. Step 3: Cross multiply
    22,133.58x = 30,530.91 × 13,175.10
  4. Step 4: Simplify right side
    22,133.58x = 402,247,792.34
  5. Step 5: Solve for x
    x = 402,247,792.34/22,133.58
  6. Step 6: Final answer
    x = 18,173.64

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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.