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Finding the Fourth Proportional to 14,055.76, 19,388.08 and 9,014.68

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Solution

The fourth proportional to 14,055.76, 19,388.08 and 9,014.68 is: 12,434.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,055.76 : 19,388.08 = 9,014.68 : x
  2. Step 2: Convert to fraction form
    14,055.76/19,388.08 = 9,014.68/x
  3. Step 3: Cross multiply
    14,055.76x = 19,388.08 × 9,014.68
  4. Step 4: Simplify right side
    14,055.76x = 174,777,337.01
  5. Step 5: Solve for x
    x = 174,777,337.01/14,055.76
  6. Step 6: Final answer
    x = 12,434.57

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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.