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Finding the Fourth Proportional to 14,984.13, 20,680.02 and 12,461.91

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Solution

The fourth proportional to 14,984.13, 20,680.02 and 12,461.91 is: 17,199.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,984.13 : 20,680.02 = 12,461.91 : x
  2. Step 2: Convert to fraction form
    14,984.13/20,680.02 = 12,461.91/x
  3. Step 3: Cross multiply
    14,984.13x = 20,680.02 × 12,461.91
  4. Step 4: Simplify right side
    14,984.13x = 257,712,548.04
  5. Step 5: Solve for x
    x = 257,712,548.04/14,984.13
  6. Step 6: Final answer
    x = 17,199.03

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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.