Home / 22,054.59-30,436.38-13,557.06

Finding the Fourth Proportional to 22,054.59, 30,436.38 and 13,557.06

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Solution

The fourth proportional to 22,054.59, 30,436.38 and 13,557.06 is: 18,709.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,054.59 : 30,436.38 = 13,557.06 : x
  2. Step 2: Convert to fraction form
    22,054.59/30,436.38 = 13,557.06/x
  3. Step 3: Cross multiply
    22,054.59x = 30,436.38 × 13,557.06
  4. Step 4: Simplify right side
    22,054.59x = 412,627,829.84
  5. Step 5: Solve for x
    x = 412,627,829.84/22,054.59
  6. Step 6: Final answer
    x = 18,709.39

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Half scale
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Double scale
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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.