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Finding the Fourth Proportional to 19,762.58, 29,599.93 and 14,199.20

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Solution

The fourth proportional to 19,762.58, 29,599.93 and 14,199.20 is: 21,267.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,762.58 : 29,599.93 = 14,199.20 : x
  2. Step 2: Convert to fraction form
    19,762.58/29,599.93 = 14,199.20/x
  3. Step 3: Cross multiply
    19,762.58x = 29,599.93 × 14,199.20
  4. Step 4: Simplify right side
    19,762.58x = 420,295,306.81
  5. Step 5: Solve for x
    x = 420,295,306.81/19,762.58
  6. Step 6: Final answer
    x = 21,267.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.