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Finding the Fourth Proportional to 14,759.64, 22,041.63 and 12,971.16

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Solution

The fourth proportional to 14,759.64, 22,041.63 and 12,971.16 is: 19,370.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,759.64 : 22,041.63 = 12,971.16 : x
  2. Step 2: Convert to fraction form
    14,759.64/22,041.63 = 12,971.16/x
  3. Step 3: Cross multiply
    14,759.64x = 22,041.63 × 12,971.16
  4. Step 4: Simplify right side
    14,759.64x = 285,905,509.39
  5. Step 5: Solve for x
    x = 285,905,509.39/14,759.64
  6. Step 6: Final answer
    x = 19,370.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.