Home / 19,626.66-27,090.72-13,342.68

Finding the Fourth Proportional to 19,626.66, 27,090.72 and 13,342.68

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Solution

The fourth proportional to 19,626.66, 27,090.72 and 13,342.68 is: 18,416.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,626.66 : 27,090.72 = 13,342.68 : x
  2. Step 2: Convert to fraction form
    19,626.66/27,090.72 = 13,342.68/x
  3. Step 3: Cross multiply
    19,626.66x = 27,090.72 × 13,342.68
  4. Step 4: Simplify right side
    19,626.66x = 361,462,807.93
  5. Step 5: Solve for x
    x = 361,462,807.93/19,626.66
  6. Step 6: Final answer
    x = 18,416.93

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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.