Home / 27,129.16-37,441.45-15,190.19

Finding the Fourth Proportional to 27,129.16, 37,441.45 and 15,190.19

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Solution

The fourth proportional to 27,129.16, 37,441.45 and 15,190.19 is: 20,964.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,129.16 : 37,441.45 = 15,190.19 : x
  2. Step 2: Convert to fraction form
    27,129.16/37,441.45 = 15,190.19/x
  3. Step 3: Cross multiply
    27,129.16x = 37,441.45 × 15,190.19
  4. Step 4: Simplify right side
    27,129.16x = 568,742,739.38
  5. Step 5: Solve for x
    x = 568,742,739.38/27,129.16
  6. Step 6: Final answer
    x = 20,964.26

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Half scale
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Double scale
Find fourth proportional to 27,130.16, 37,442.83 and 15,191.19
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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.