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Finding the Fourth Proportional to 15,357.84, 22,878.28 and 14,893.22

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Solution

The fourth proportional to 15,357.84, 22,878.28 and 14,893.22 is: 22,186.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,357.84 : 22,878.28 = 14,893.22 : x
  2. Step 2: Convert to fraction form
    15,357.84/22,878.28 = 14,893.22/x
  3. Step 3: Cross multiply
    15,357.84x = 22,878.28 × 14,893.22
  4. Step 4: Simplify right side
    15,357.84x = 340,731,257.26
  5. Step 5: Solve for x
    x = 340,731,257.26/15,357.84
  6. Step 6: Final answer
    x = 22,186.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.