Home / 19,736.64-27,237.10-10,784.64

Finding the Fourth Proportional to 19,736.64, 27,237.10 and 10,784.64

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Solution

The fourth proportional to 19,736.64, 27,237.10 and 10,784.64 is: 14,883.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,736.64 : 27,237.10 = 10,784.64 : x
  2. Step 2: Convert to fraction form
    19,736.64/27,237.10 = 10,784.64/x
  3. Step 3: Cross multiply
    19,736.64x = 27,237.10 × 10,784.64
  4. Step 4: Simplify right side
    19,736.64x = 293,742,318.14
  5. Step 5: Solve for x
    x = 293,742,318.14/19,736.64
  6. Step 6: Final answer
    x = 14,883.10

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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.