Home / 21,624.90-29,842.59-12,193.46

Finding the Fourth Proportional to 21,624.90, 29,842.59 and 12,193.46

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Solution

The fourth proportional to 21,624.90, 29,842.59 and 12,193.46 is: 16,827.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,624.90 : 29,842.59 = 12,193.46 : x
  2. Step 2: Convert to fraction form
    21,624.90/29,842.59 = 12,193.46/x
  3. Step 3: Cross multiply
    21,624.90x = 29,842.59 × 12,193.46
  4. Step 4: Simplify right side
    21,624.90x = 363,884,427.46
  5. Step 5: Solve for x
    x = 363,884,427.46/21,624.90
  6. Step 6: Final answer
    x = 16,827.10

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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.