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Finding the Fourth Proportional to 14,574.76, 21,829.18 and 11,950.28

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Solution

The fourth proportional to 14,574.76, 21,829.18 and 11,950.28 is: 17,898.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,574.76 : 21,829.18 = 11,950.28 : x
  2. Step 2: Convert to fraction form
    14,574.76/21,829.18 = 11,950.28/x
  3. Step 3: Cross multiply
    14,574.76x = 21,829.18 × 11,950.28
  4. Step 4: Simplify right side
    14,574.76x = 260,864,813.17
  5. Step 5: Solve for x
    x = 260,864,813.17/14,574.76
  6. Step 6: Final answer
    x = 17,898.40

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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.