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Finding the Fourth Proportional to 18,264.68, 25,199.08 and 14,901.68

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Solution

The fourth proportional to 18,264.68, 25,199.08 and 14,901.68 is: 20,559.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,264.68 : 25,199.08 = 14,901.68 : x
  2. Step 2: Convert to fraction form
    18,264.68/25,199.08 = 14,901.68/x
  3. Step 3: Cross multiply
    18,264.68x = 25,199.08 × 14,901.68
  4. Step 4: Simplify right side
    18,264.68x = 375,508,626.45
  5. Step 5: Solve for x
    x = 375,508,626.45/18,264.68
  6. Step 6: Final answer
    x = 20,559.28

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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.