Home / 22,921.05-31,633.29-12,849.51

Finding the Fourth Proportional to 22,921.05, 31,633.29 and 12,849.51

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Solution

The fourth proportional to 22,921.05, 31,633.29 and 12,849.51 is: 17,733.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,921.05 : 31,633.29 = 12,849.51 : x
  2. Step 2: Convert to fraction form
    22,921.05/31,633.29 = 12,849.51/x
  3. Step 3: Cross multiply
    22,921.05x = 31,633.29 × 12,849.51
  4. Step 4: Simplify right side
    22,921.05x = 406,472,276.19
  5. Step 5: Solve for x
    x = 406,472,276.19/22,921.05
  6. Step 6: Final answer
    x = 17,733.58

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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.