Home / 14,109.17-21,164.80-4,749.15

Finding the Fourth Proportional to 14,109.17, 21,164.80 and 4,749.15

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Solution

The fourth proportional to 14,109.17, 21,164.80 and 4,749.15 is: 7,124.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,109.17 : 21,164.80 = 4,749.15 : x
  2. Step 2: Convert to fraction form
    14,109.17/21,164.80 = 4,749.15/x
  3. Step 3: Cross multiply
    14,109.17x = 21,164.80 × 4,749.15
  4. Step 4: Simplify right side
    14,109.17x = 100,514,809.92
  5. Step 5: Solve for x
    x = 100,514,809.92/14,109.17
  6. Step 6: Final answer
    x = 7,124.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.