Home / 15,298.44-21,109.03-10,269.96

Finding the Fourth Proportional to 15,298.44, 21,109.03 and 10,269.96

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Solution

The fourth proportional to 15,298.44, 21,109.03 and 10,269.96 is: 14,170.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,298.44 : 21,109.03 = 10,269.96 : x
  2. Step 2: Convert to fraction form
    15,298.44/21,109.03 = 10,269.96/x
  3. Step 3: Cross multiply
    15,298.44x = 21,109.03 × 10,269.96
  4. Step 4: Simplify right side
    15,298.44x = 216,788,893.74
  5. Step 5: Solve for x
    x = 216,788,893.74/15,298.44
  6. Step 6: Final answer
    x = 14,170.65

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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.