Home / 19,145.46-26,420.77-10,647.59

Finding the Fourth Proportional to 19,145.46, 26,420.77 and 10,647.59

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Solution

The fourth proportional to 19,145.46, 26,420.77 and 10,647.59 is: 14,693.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,145.46 : 26,420.77 = 10,647.59 : x
  2. Step 2: Convert to fraction form
    19,145.46/26,420.77 = 10,647.59/x
  3. Step 3: Cross multiply
    19,145.46x = 26,420.77 × 10,647.59
  4. Step 4: Simplify right side
    19,145.46x = 281,317,347.76
  5. Step 5: Solve for x
    x = 281,317,347.76/19,145.46
  6. Step 6: Final answer
    x = 14,693.68

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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.