Home / 15,983.50-22,066.68-14,210.20

Finding the Fourth Proportional to 15,983.50, 22,066.68 and 14,210.20

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Solution

The fourth proportional to 15,983.50, 22,066.68 and 14,210.20 is: 19,618.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,983.50 : 22,066.68 = 14,210.20 : x
  2. Step 2: Convert to fraction form
    15,983.50/22,066.68 = 14,210.20/x
  3. Step 3: Cross multiply
    15,983.50x = 22,066.68 × 14,210.20
  4. Step 4: Simplify right side
    15,983.50x = 313,571,936.14
  5. Step 5: Solve for x
    x = 313,571,936.14/15,983.50
  6. Step 6: Final answer
    x = 19,618.48

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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.