Home / 26,289.49-39,410.76-9,645.62

Finding the Fourth Proportional to 26,289.49, 39,410.76 and 9,645.62

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Solution

The fourth proportional to 26,289.49, 39,410.76 and 9,645.62 is: 14,459.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,289.49 : 39,410.76 = 9,645.62 : x
  2. Step 2: Convert to fraction form
    26,289.49/39,410.76 = 9,645.62/x
  3. Step 3: Cross multiply
    26,289.49x = 39,410.76 × 9,645.62
  4. Step 4: Simplify right side
    26,289.49x = 380,141,214.87
  5. Step 5: Solve for x
    x = 380,141,214.87/26,289.49
  6. Step 6: Final answer
    x = 14,459.82

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Half scale
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Double scale
Find fourth proportional to 26,290.49, 39,412.26 and 9,646.62
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.