Home / 14,220.91-19,630.23-10,694.30

Finding the Fourth Proportional to 14,220.91, 19,630.23 and 10,694.30

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Solution

The fourth proportional to 14,220.91, 19,630.23 and 10,694.30 is: 14,762.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,220.91 : 19,630.23 = 10,694.30 : x
  2. Step 2: Convert to fraction form
    14,220.91/19,630.23 = 10,694.30/x
  3. Step 3: Cross multiply
    14,220.91x = 19,630.23 × 10,694.30
  4. Step 4: Simplify right side
    14,220.91x = 209,931,568.69
  5. Step 5: Solve for x
    x = 209,931,568.69/14,220.91
  6. Step 6: Final answer
    x = 14,762.18

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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.