Home / 19,212.13-26,511.71-10,715.12

Finding the Fourth Proportional to 19,212.13, 26,511.71 and 10,715.12

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Solution

The fourth proportional to 19,212.13, 26,511.71 and 10,715.12 is: 14,786.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,212.13 : 26,511.71 = 10,715.12 : x
  2. Step 2: Convert to fraction form
    19,212.13/26,511.71 = 10,715.12/x
  3. Step 3: Cross multiply
    19,212.13x = 26,511.71 × 10,715.12
  4. Step 4: Simplify right side
    19,212.13x = 284,076,154.06
  5. Step 5: Solve for x
    x = 284,076,154.06/19,212.13
  6. Step 6: Final answer
    x = 14,786.29

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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.