Home / 19,515.18-26,930.99-10,562.76

Finding the Fourth Proportional to 19,515.18, 26,930.99 and 10,562.76

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Solution

The fourth proportional to 19,515.18, 26,930.99 and 10,562.76 is: 14,576.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515.18 : 26,930.99 = 10,562.76 : x
  2. Step 2: Convert to fraction form
    19,515.18/26,930.99 = 10,562.76/x
  3. Step 3: Cross multiply
    19,515.18x = 26,930.99 × 10,562.76
  4. Step 4: Simplify right side
    19,515.18x = 284,465,396.46
  5. Step 5: Solve for x
    x = 284,465,396.46/19,515.18
  6. Step 6: Final answer
    x = 14,576.63

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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.