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Finding the Fourth Proportional to 14,821.87, 22,208.11 and 10,430.10

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Solution

The fourth proportional to 14,821.87, 22,208.11 and 10,430.10 is: 15,627.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,821.87 : 22,208.11 = 10,430.10 : x
  2. Step 2: Convert to fraction form
    14,821.87/22,208.11 = 10,430.10/x
  3. Step 3: Cross multiply
    14,821.87x = 22,208.11 × 10,430.10
  4. Step 4: Simplify right side
    14,821.87x = 231,632,808.11
  5. Step 5: Solve for x
    x = 231,632,808.11/14,821.87
  6. Step 6: Final answer
    x = 15,627.77

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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.