Home / 15,097.30-22,645.88-12,855.25

Finding the Fourth Proportional to 15,097.30, 22,645.88 and 12,855.25

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Solution

The fourth proportional to 15,097.30, 22,645.88 and 12,855.25 is: 19,282.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,097.30 : 22,645.88 = 12,855.25 : x
  2. Step 2: Convert to fraction form
    15,097.30/22,645.88 = 12,855.25/x
  3. Step 3: Cross multiply
    15,097.30x = 22,645.88 × 12,855.25
  4. Step 4: Simplify right side
    15,097.30x = 291,118,448.87
  5. Step 5: Solve for x
    x = 291,118,448.87/15,097.30
  6. Step 6: Final answer
    x = 19,282.82

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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.