Home / 14,045.92-21,070.48-5,161.84

Finding the Fourth Proportional to 14,045.92, 21,070.48 and 5,161.84

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Solution

The fourth proportional to 14,045.92, 21,070.48 and 5,161.84 is: 7,743.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,045.92 : 21,070.48 = 5,161.84 : x
  2. Step 2: Convert to fraction form
    14,045.92/21,070.48 = 5,161.84/x
  3. Step 3: Cross multiply
    14,045.92x = 21,070.48 × 5,161.84
  4. Step 4: Simplify right side
    14,045.92x = 108,762,446.48
  5. Step 5: Solve for x
    x = 108,762,446.48/14,045.92
  6. Step 6: Final answer
    x = 7,743.35

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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.