Home / 25,108.19-34,649.31-13,930.19

Finding the Fourth Proportional to 25,108.19, 34,649.31 and 13,930.19

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Solution

The fourth proportional to 25,108.19, 34,649.31 and 13,930.19 is: 19,223.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,108.19 : 34,649.31 = 13,930.19 : x
  2. Step 2: Convert to fraction form
    25,108.19/34,649.31 = 13,930.19/x
  3. Step 3: Cross multiply
    25,108.19x = 34,649.31 × 13,930.19
  4. Step 4: Simplify right side
    25,108.19x = 482,671,471.67
  5. Step 5: Solve for x
    x = 482,671,471.67/25,108.19
  6. Step 6: Final answer
    x = 19,223.67

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Half scale
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Double scale
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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.