Home / 14,187.72-19,581.39-10,824.18

Finding the Fourth Proportional to 14,187.72, 19,581.39 and 10,824.18

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Solution

The fourth proportional to 14,187.72, 19,581.39 and 10,824.18 is: 14,939.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,187.72 : 19,581.39 = 10,824.18 : x
  2. Step 2: Convert to fraction form
    14,187.72/19,581.39 = 10,824.18/x
  3. Step 3: Cross multiply
    14,187.72x = 19,581.39 × 10,824.18
  4. Step 4: Simplify right side
    14,187.72x = 211,952,490.01
  5. Step 5: Solve for x
    x = 211,952,490.01/14,187.72
  6. Step 6: Final answer
    x = 14,939.15

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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.