Home / 22,588.39-31,161.54-15,877.91

Finding the Fourth Proportional to 22,588.39, 31,161.54 and 15,877.91

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Solution

The fourth proportional to 22,588.39, 31,161.54 and 15,877.91 is: 21,904.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,588.39 : 31,161.54 = 15,877.91 : x
  2. Step 2: Convert to fraction form
    22,588.39/31,161.54 = 15,877.91/x
  3. Step 3: Cross multiply
    22,588.39x = 31,161.54 × 15,877.91
  4. Step 4: Simplify right side
    22,588.39x = 494,780,089.74
  5. Step 5: Solve for x
    x = 494,780,089.74/22,588.39
  6. Step 6: Final answer
    x = 21,904.17

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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.