Home / 15,980.38-22,059.70-10,010.76

Finding the Fourth Proportional to 15,980.38, 22,059.70 and 10,010.76

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Solution

The fourth proportional to 15,980.38, 22,059.70 and 10,010.76 is: 13,819.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,980.38 : 22,059.70 = 10,010.76 : x
  2. Step 2: Convert to fraction form
    15,980.38/22,059.70 = 10,010.76/x
  3. Step 3: Cross multiply
    15,980.38x = 22,059.70 × 10,010.76
  4. Step 4: Simplify right side
    15,980.38x = 220,834,362.37
  5. Step 5: Solve for x
    x = 220,834,362.37/15,980.38
  6. Step 6: Final answer
    x = 13,819.09

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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.