Home / 28,097.17-42,166.49-13,306.06

Finding the Fourth Proportional to 28,097.17, 42,166.49 and 13,306.06

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Solution

The fourth proportional to 28,097.17, 42,166.49 and 13,306.06 is: 19,968.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,097.17 : 42,166.49 = 13,306.06 : x
  2. Step 2: Convert to fraction form
    28,097.17/42,166.49 = 13,306.06/x
  3. Step 3: Cross multiply
    28,097.17x = 42,166.49 × 13,306.06
  4. Step 4: Simplify right side
    28,097.17x = 561,069,906.95
  5. Step 5: Solve for x
    x = 561,069,906.95/28,097.17
  6. Step 6: Final answer
    x = 19,968.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.