Home / 16,102.70-22,210.48-15,560.81

Finding the Fourth Proportional to 16,102.70, 22,210.48 and 15,560.81

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Solution

The fourth proportional to 16,102.70, 22,210.48 and 15,560.81 is: 21,463.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,102.70 : 22,210.48 = 15,560.81 : x
  2. Step 2: Convert to fraction form
    16,102.70/22,210.48 = 15,560.81/x
  3. Step 3: Cross multiply
    16,102.70x = 22,210.48 × 15,560.81
  4. Step 4: Simplify right side
    16,102.70x = 345,612,880.16
  5. Step 5: Solve for x
    x = 345,612,880.16/16,102.70
  6. Step 6: Final answer
    x = 21,463.05

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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.