Home / 26,261.90-39,392.85-9,615.18

Finding the Fourth Proportional to 26,261.90, 39,392.85 and 9,615.18

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Solution

The fourth proportional to 26,261.90, 39,392.85 and 9,615.18 is: 14,422.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,261.90 : 39,392.85 = 9,615.18 : x
  2. Step 2: Convert to fraction form
    26,261.90/39,392.85 = 9,615.18/x
  3. Step 3: Cross multiply
    26,261.90x = 39,392.85 × 9,615.18
  4. Step 4: Simplify right side
    26,261.90x = 378,769,381.27
  5. Step 5: Solve for x
    x = 378,769,381.27/26,261.90
  6. Step 6: Final answer
    x = 14,422.77

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.