Home / 22,536.48-31,101.12-13,108.08

Finding the Fourth Proportional to 22,536.48, 31,101.12 and 13,108.08

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Solution

The fourth proportional to 22,536.48, 31,101.12 and 13,108.08 is: 18,089.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,536.48 : 31,101.12 = 13,108.08 : x
  2. Step 2: Convert to fraction form
    22,536.48/31,101.12 = 13,108.08/x
  3. Step 3: Cross multiply
    22,536.48x = 31,101.12 × 13,108.08
  4. Step 4: Simplify right side
    22,536.48x = 407,675,969.05
  5. Step 5: Solve for x
    x = 407,675,969.05/22,536.48
  6. Step 6: Final answer
    x = 18,089.60

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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.