Home / 19,144.58-26,420.73-10,761.62

Finding the Fourth Proportional to 19,144.58, 26,420.73 and 10,761.62

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Solution

The fourth proportional to 19,144.58, 26,420.73 and 10,761.62 is: 14,851.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,144.58 : 26,420.73 = 10,761.62 : x
  2. Step 2: Convert to fraction form
    19,144.58/26,420.73 = 10,761.62/x
  3. Step 3: Cross multiply
    19,144.58x = 26,420.73 × 10,761.62
  4. Step 4: Simplify right side
    19,144.58x = 284,329,856.38
  5. Step 5: Solve for x
    x = 284,329,856.38/19,144.58
  6. Step 6: Final answer
    x = 14,851.72

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Half scale
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Double scale
Find fourth proportional to 19,145.58, 26,422.11 and 10,762.62
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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.