Home / 19,575.09-27,013.01-10,961.30

Finding the Fourth Proportional to 19,575.09, 27,013.01 and 10,961.30

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Solution

The fourth proportional to 19,575.09, 27,013.01 and 10,961.30 is: 15,126.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,575.09 : 27,013.01 = 10,961.30 : x
  2. Step 2: Convert to fraction form
    19,575.09/27,013.01 = 10,961.30/x
  3. Step 3: Cross multiply
    19,575.09x = 27,013.01 × 10,961.30
  4. Step 4: Simplify right side
    19,575.09x = 296,097,801.45
  5. Step 5: Solve for x
    x = 296,097,801.45/19,575.09
  6. Step 6: Final answer
    x = 15,126.25

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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.