Home / 28,513.17-39,307.01-19,546.47

Finding the Fourth Proportional to 28,513.17, 39,307.01 and 19,546.47

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Solution

The fourth proportional to 28,513.17, 39,307.01 and 19,546.47 is: 26,945.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,513.17 : 39,307.01 = 19,546.47 : x
  2. Step 2: Convert to fraction form
    28,513.17/39,307.01 = 19,546.47/x
  3. Step 3: Cross multiply
    28,513.17x = 39,307.01 × 19,546.47
  4. Step 4: Simplify right side
    28,513.17x = 768,313,194.02
  5. Step 5: Solve for x
    x = 768,313,194.02/28,513.17
  6. Step 6: Final answer
    x = 26,945.91

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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.