Home / 26,141.33-39,210.99-7,421.32

Finding the Fourth Proportional to 26,141.33, 39,210.99 and 7,421.32

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Solution

The fourth proportional to 26,141.33, 39,210.99 and 7,421.32 is: 11,131.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,141.33 : 39,210.99 = 7,421.32 : x
  2. Step 2: Convert to fraction form
    26,141.33/39,210.99 = 7,421.32/x
  3. Step 3: Cross multiply
    26,141.33x = 39,210.99 × 7,421.32
  4. Step 4: Simplify right side
    26,141.33x = 290,997,325.49
  5. Step 5: Solve for x
    x = 290,997,325.49/26,141.33
  6. Step 6: Final answer
    x = 11,131.69

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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.