Home / 22,347.35-30,853.77-13,858.49

Finding the Fourth Proportional to 22,347.35, 30,853.77 and 13,858.49

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Solution

The fourth proportional to 22,347.35, 30,853.77 and 13,858.49 is: 19,133.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,347.35 : 30,853.77 = 13,858.49 : x
  2. Step 2: Convert to fraction form
    22,347.35/30,853.77 = 13,858.49/x
  3. Step 3: Cross multiply
    22,347.35x = 30,853.77 × 13,858.49
  4. Step 4: Simplify right side
    22,347.35x = 427,586,663.01
  5. Step 5: Solve for x
    x = 427,586,663.01/22,347.35
  6. Step 6: Final answer
    x = 19,133.66

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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.