Home / 26,277.40-36,292.98-19,139.12

Finding the Fourth Proportional to 26,277.40, 36,292.98 and 19,139.12

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Solution

The fourth proportional to 26,277.40, 36,292.98 and 19,139.12 is: 26,433.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,277.40 : 36,292.98 = 19,139.12 : x
  2. Step 2: Convert to fraction form
    26,277.40/36,292.98 = 19,139.12/x
  3. Step 3: Cross multiply
    26,277.40x = 36,292.98 × 19,139.12
  4. Step 4: Simplify right side
    26,277.40x = 694,615,699.38
  5. Step 5: Solve for x
    x = 694,615,699.38/26,277.40
  6. Step 6: Final answer
    x = 26,433.96

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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.