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Finding the Fourth Proportional to 14,926.10, 20,598.06 and 8,212.16

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Solution

The fourth proportional to 14,926.10, 20,598.06 and 8,212.16 is: 11,332.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,926.10 : 20,598.06 = 8,212.16 : x
  2. Step 2: Convert to fraction form
    14,926.10/20,598.06 = 8,212.16/x
  3. Step 3: Cross multiply
    14,926.10x = 20,598.06 × 8,212.16
  4. Step 4: Simplify right side
    14,926.10x = 169,154,564.41
  5. Step 5: Solve for x
    x = 169,154,564.41/14,926.10
  6. Step 6: Final answer
    x = 11,332.80

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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.