Home / 22,293.40-30,774.80-14,237.62

Finding the Fourth Proportional to 22,293.40, 30,774.80 and 14,237.62

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Solution

The fourth proportional to 22,293.40, 30,774.80 and 14,237.62 is: 19,654.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,293.40 : 30,774.80 = 14,237.62 : x
  2. Step 2: Convert to fraction form
    22,293.40/30,774.80 = 14,237.62/x
  3. Step 3: Cross multiply
    22,293.40x = 30,774.80 × 14,237.62
  4. Step 4: Simplify right side
    22,293.40x = 438,159,907.98
  5. Step 5: Solve for x
    x = 438,159,907.98/22,293.40
  6. Step 6: Final answer
    x = 19,654.24

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Half scale
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Double scale
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Similar ratio
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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.