Home / 19,936.64-27,511.53-10,983.93

Finding the Fourth Proportional to 19,936.64, 27,511.53 and 10,983.93

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Solution

The fourth proportional to 19,936.64, 27,511.53 and 10,983.93 is: 15,157.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,936.64 : 27,511.53 = 10,983.93 : x
  2. Step 2: Convert to fraction form
    19,936.64/27,511.53 = 10,983.93/x
  3. Step 3: Cross multiply
    19,936.64x = 27,511.53 × 10,983.93
  4. Step 4: Simplify right side
    19,936.64x = 302,184,719.71
  5. Step 5: Solve for x
    x = 302,184,719.71/19,936.64
  6. Step 6: Final answer
    x = 15,157.26

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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.