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Finding the Fourth Proportional to 14,726.81, 22,173.12 and 12,983.01

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Solution

The fourth proportional to 14,726.81, 22,173.12 and 12,983.01 is: 19,547.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,726.81 : 22,173.12 = 12,983.01 : x
  2. Step 2: Convert to fraction form
    14,726.81/22,173.12 = 12,983.01/x
  3. Step 3: Cross multiply
    14,726.81x = 22,173.12 × 12,983.01
  4. Step 4: Simplify right side
    14,726.81x = 287,873,838.69
  5. Step 5: Solve for x
    x = 287,873,838.69/14,726.81
  6. Step 6: Final answer
    x = 19,547.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.