Home / 14,255.19-19,678.14-10,508.13

Finding the Fourth Proportional to 14,255.19, 19,678.14 and 10,508.13

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Solution

The fourth proportional to 14,255.19, 19,678.14 and 10,508.13 is: 14,505.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255.19 : 19,678.14 = 10,508.13 : x
  2. Step 2: Convert to fraction form
    14,255.19/19,678.14 = 10,508.13/x
  3. Step 3: Cross multiply
    14,255.19x = 19,678.14 × 10,508.13
  4. Step 4: Simplify right side
    14,255.19x = 206,780,453.28
  5. Step 5: Solve for x
    x = 206,780,453.28/14,255.19
  6. Step 6: Final answer
    x = 14,505.63

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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.