Home / 19,951.10-27,532.71-10,998.95

Finding the Fourth Proportional to 19,951.10, 27,532.71 and 10,998.95

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Solution

The fourth proportional to 19,951.10, 27,532.71 and 10,998.95 is: 15,178.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,951.10 : 27,532.71 = 10,998.95 : x
  2. Step 2: Convert to fraction form
    19,951.10/27,532.71 = 10,998.95/x
  3. Step 3: Cross multiply
    19,951.10x = 27,532.71 × 10,998.95
  4. Step 4: Simplify right side
    19,951.10x = 302,830,845.66
  5. Step 5: Solve for x
    x = 302,830,845.66/19,951.10
  6. Step 6: Final answer
    x = 15,178.66

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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.