Home / 14,988.78-22,465.66-11,279.08

Finding the Fourth Proportional to 14,988.78, 22,465.66 and 11,279.08

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Solution

The fourth proportional to 14,988.78, 22,465.66 and 11,279.08 is: 16,905.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,988.78 : 22,465.66 = 11,279.08 : x
  2. Step 2: Convert to fraction form
    14,988.78/22,465.66 = 11,279.08/x
  3. Step 3: Cross multiply
    14,988.78x = 22,465.66 × 11,279.08
  4. Step 4: Simplify right side
    14,988.78x = 253,391,976.39
  5. Step 5: Solve for x
    x = 253,391,976.39/14,988.78
  6. Step 6: Final answer
    x = 16,905.44

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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.