Home / 19,866.08-27,415.32-10,914.32

Finding the Fourth Proportional to 19,866.08, 27,415.32 and 10,914.32

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Solution

The fourth proportional to 19,866.08, 27,415.32 and 10,914.32 is: 15,061.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,866.08 : 27,415.32 = 10,914.32 : x
  2. Step 2: Convert to fraction form
    19,866.08/27,415.32 = 10,914.32/x
  3. Step 3: Cross multiply
    19,866.08x = 27,415.32 × 10,914.32
  4. Step 4: Simplify right side
    19,866.08x = 299,219,575.38
  5. Step 5: Solve for x
    x = 299,219,575.38/19,866.08
  6. Step 6: Final answer
    x = 15,061.83

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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.