Home / 28,475.66-39,259.56-19,507.14

Finding the Fourth Proportional to 28,475.66, 39,259.56 and 19,507.14

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Solution

The fourth proportional to 28,475.66, 39,259.56 and 19,507.14 is: 26,894.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,475.66 : 39,259.56 = 19,507.14 : x
  2. Step 2: Convert to fraction form
    28,475.66/39,259.56 = 19,507.14/x
  3. Step 3: Cross multiply
    28,475.66x = 39,259.56 × 19,507.14
  4. Step 4: Simplify right side
    28,475.66x = 765,841,733.26
  5. Step 5: Solve for x
    x = 765,841,733.26/28,475.66
  6. Step 6: Final answer
    x = 26,894.61

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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.