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Finding the Fourth Proportional to 14,924.86, 20,597.96 and 8,211.04

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Solution

The fourth proportional to 14,924.86, 20,597.96 and 8,211.04 is: 11,332.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,924.86 : 20,597.96 = 8,211.04 : x
  2. Step 2: Convert to fraction form
    14,924.86/20,597.96 = 8,211.04/x
  3. Step 3: Cross multiply
    14,924.86x = 20,597.96 × 8,211.04
  4. Step 4: Simplify right side
    14,924.86x = 169,130,642.51
  5. Step 5: Solve for x
    x = 169,130,642.51/14,924.86
  6. Step 6: Final answer
    x = 11,332.14

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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.