Home / 14,065.39-21,102.70-5,752.40

Finding the Fourth Proportional to 14,065.39, 21,102.70 and 5,752.40

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Solution

The fourth proportional to 14,065.39, 21,102.70 and 5,752.40 is: 8,630.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,065.39 : 21,102.70 = 5,752.40 : x
  2. Step 2: Convert to fraction form
    14,065.39/21,102.70 = 5,752.40/x
  3. Step 3: Cross multiply
    14,065.39x = 21,102.70 × 5,752.40
  4. Step 4: Simplify right side
    14,065.39x = 121,391,065.97
  5. Step 5: Solve for x
    x = 121,391,065.97/14,065.39
  6. Step 6: Final answer
    x = 8,630.48

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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.