Home / 22,129.62-30,536.37-12,701.22

Finding the Fourth Proportional to 22,129.62, 30,536.37 and 12,701.22

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Solution

The fourth proportional to 22,129.62, 30,536.37 and 12,701.22 is: 17,526.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,129.62 : 30,536.37 = 12,701.22 : x
  2. Step 2: Convert to fraction form
    22,129.62/30,536.37 = 12,701.22/x
  3. Step 3: Cross multiply
    22,129.62x = 30,536.37 × 12,701.22
  4. Step 4: Simplify right side
    22,129.62x = 387,849,153.37
  5. Step 5: Solve for x
    x = 387,849,153.37/22,129.62
  6. Step 6: Final answer
    x = 17,526.25

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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.